15-minute Mini Test Grade 12.

There are more than 20 ________ working on the water treatment project.

• A. researches

• B. researching

• C. researchers

• D. research

Answer explanation

Clearing forests for timber has resulted _______ the loss of biodiversity.

• A. with

• B. at

• C. in

• D. for

Over 8,300 plant species and 7,200 animal species around the globe are _______with extinction.

• A. threatened

• B. carried

• C. dealt

• D. worried

I do not mind at all. You _______ apologize.

• A. shouldn't

• B. needn't

• C. mustn't

• D. oughtn't to

You mustn’t__________ football in the road. It’s dangerous.

• A. played

• B. to play

• C. playing

• D. play

World Wide Fund for Nature was formed to do the mission of the preservation of biological diversity, sustainable use of natural resources, and the reduction of pollution and wasteful consumption.

What does the word “pollution” mean?

• A. contamination

• B. energy

• C. extinction

• D. development

Mr. James is not at home. He _____ go somewhere with his wife. I am not sure.

• A. might

• B. will

• C. must

• D. should

Humans benefit greatly from the many medicines and other products that_________ provides.

• A. diversity

• B. environment

• C. biodiversity

• D. habitat

You can meet Mr. Pike, who is _______ behalf _______ the university to solve the problems of foreign students.

• A. on / of

• B. in / for

• C. with / at

• D. for / at

Many people think Steve stole the money.

• A. It was not Steve who stole the money.

• B. Steve is thought to have stolen the money.

• C. Many people think the money is stolen by Steve.

• D. The money is thought to be stolen by Steve.