—Those people know how paper can be________ wood.

—They're pretty smart!

A. made in B. made from C. made of D. made into

A little wine will not be to your health. Just don’t drink too much.

A. helpful B. helpless C. harmful D. harmless

Recycling is good, so don’t bottles or newspapers.

A. find out B. hand in

C. use up D. throw away

Many young people took part in trees on Tree Planting Day.

A. planting B. plants

C. to plant D. plant

The box is used to collect waste which can be ________，such as plastic bottles and paper.

A. reported B. repaired C. recycled D. reviewed

Jack，please________ the lights to save electricity.

A. turn off B. turn on C. turn up D. turn down

—The house is too old and dangerous.

— Yes. We should ________ soon.

A. pull down it B. put out it C. pull it down D. put it out

In order to protect the environment，we should stop ________ in cars.

A. to ride B. to riding C. riding D. ride

—Why don't you buy the computer?

—It's too expensive. I can't ________ it.

A. afford B. sell C. borrow D. keep

Anyone who sings well can the activity in our school.

A. take part in B. take off C. take out D. take care of