That factory has found a way to the waste and doesn't put it into the river any more.

A.recycle B.produce C.create D.protect

In order to keep fit, people wish to eat ________food than before.

A.healthy B.the healthiest C.healthier D.healthiest

I saw a boy running ________ the field ________ an umbrella in his hand just now.

A.across; about B.through; with C.in; for D.in; with

The boy ________ his bike and hurt himself because of the heavy rain.

A.took off B.turned off C.set off D.fell off

—Listen! Is Lily singing in the classroom?

—No. It _____ be Lily. She has gone to Paris.

A.may not B.needn't C.can't D.won't

—Do you know Mr. Smith from America?

—Yes, I________ him since 2008.

A.know B.knew C.have known D.will know

A new park ________here next year. Then people nearby can come for a walk in the free time.

A.will build B.will be built C.is built D.was built

Thanks to my teacher, he always encourages me________ harder.

A.work B.working C.to work D.works

Millions of Chinese students watched Internet course ________ they stayed at home.

A.when B.until C.although D.before

—Excuse me, could you tell me ________ about the subway?

—Of course. You can check it on this computer.

A.how can I get the information B.when I can get the information

C.where I can get the information D.why can I get the information