Commas and Combining Sentences

Which option is the best option to combine the two sentences below? The students are quiet. The students are taking a test.

• The students are quiet the students are taking a test.

• The students are quiet, they are taking a test.

• The students are quiet because, they are taking a test.

• The students are quiet because they are taking a test.

Choose the option(s) that correctly join the two sentences below.

Global warming needs to be stopped. The permafrost in the tundra will melt.

• Global warming needs to be stopped, so the permafrost in the tundra will melt.

• Global warming needs to be stopped and the permafrost in the tundra will melt.

• The permafrost in the tundra will melt, so global warming needs to be stopped.

• Global warming needs to be stopped, or the permafrost in the tundra will melt.

Choose the option(s) that correctly join the two sentences below.

A layer of frozen ground called permafrost covers the tundra. It is melting rapidly due to global warming.

• A layer of frozen ground called permafrost covers the tundra, and it is melting rapidly due to global warming.

• A layer of frozen ground called permafrost covers the tundra; it is melting rapidly due to global warming.

• A layer of frozen ground called permafrost covers the tundra, but it is melting rapidly due to global warming.

• A layer of frozen ground called permafrost covers the tundra, so it is melting rapidly due to global warming.

How is this sentence correctly written?

Although he denies it I'm 100% certain that Peter ate the plums you left in the ice box.

• Although he denies it, I'm 100% certain that Peter ate the plums you left in the ice box.

• Although he denies it I'm 100% certain, that Peter ate the plums you left in the ice box.

• Although he denies it I'm 100% certain that Peter ate the plums you left, in the ice box.

• Although he denies, it I'm 100% certain that Peter ate the plums you left in the ice box.

How is this sentence correctly written?

• If you run out of time to print your essay, due to unfortunate technological and procrastination issues too bad.

• If you run out of time to print your essay due to unfortunate technological and procrastination issues, too bad.

• If you run out of time to print your essay due to unfortunate technological and procrastination issues too, bad.

• If, you run out of time to print your essay due to unfortunate technological and procrastination issues too bad.

How is this sentence correctly written?

Although I hate running I will run if a zombie is chasing me.

• Although, I hate running I will run if a zombie is chasing me.

• Although I hate running, I will run if a zombie is chasing me.

• Although I hate running I will run, if a zombie is chasing me.

• Although I hate running I will run if a zombie, is chasing me.

Which sentence best uses a comma to set-off extra information?

• When you run down the hallway, it's dangerous for everyone.

• When you run down the hallway it's dangerous, for everyone.

• When you run down, the hallway, it's dangerous for everyone.

Which sentence is punctuated CORRECTLY?

• Mrs. Scott, our Texas history teacher, planned our trip to Austin. 

• Mrs. Scott, our Texas history teacher planned our trip to Austin. 

How can we best correct this run-on sentence?

• Zayda, please don't tap your pencil. It makes your mother very irritated.

• Zayda please don't tap your pencil, because it makes your mother very irritated.

• Zayda please don't tap your pencil because, it makes your mother very irritated.

• Zayda, please don't tap your pencil because, it makes your mother, very irritated.

How is this sentence correctly written?

Karen please don't put candy corn on the hot wings.

• Karen please don't put candy corn on the hot wings.

• Karen, please don't put candy corn on the hot wings.

• Karen please, don't put candy corn, on the hot wings.

• Karen please don't put candy corn, on the hot wings.