complex sentences

I bring my own lunch ____ the food in the canteen is terrible.

• unless

• while

• since

• whom

I lock my bicycle ____ going to class.

• before

• while

• because

• who

The thief broke in to his house ____ he was asleep.

• before

• although

• when

• if

He did not put on a jacket _____ the room temperature was very low.

• if

• although

• when

• because

He will not go to the kindergarten _____ he gets to watch the cartoon.

• unless

• if

• whom

• which

The polar ice caps are melting ___ of global warming.

• if

• because

• which

• although

We will listen to the music _____ waiting to board our plane

• while

• because

• unless

• since

I work for a factory _____ manufactures cars

• which

• whom

• who

• whose

She is the first woman _____ has successfully go on a space mission.

• which

• who

• whom

• whose

They couldn't make a cake ________ they did not have any milk.

• because
• unless
• or