—To keep our city clean and beautiful, the________ are always very busy in the street.

—They should be respected by all the people.

A.drivers B.postmen C.firemen D.cleaners

—Are there any notebooks on COVID-19（新冠肺炎病毒） in your school?

—________. They tell us how to protect ourselves in this big event.

A.Yes, they are B.Yes, there are C.Yes, there is D.Yes, it is

—How long have you had the cellphone, Kangkang?

—I’ve had it________ two months. It helps me a lot.

A.for B.since C.in D.on

—My English is poor. Could you help me with it?

—________.

A.Thank you B.Me, too C.No problem D.See you

—Work hard, ________your dream will come true.

—Well. I will do my best.

A.so B.but C.and D.or

—You’d better not eat too much salt. It’s bad for your health.

—________.

A.You’re welcome B.Thanks a lot C.Not at all D.That’s OK

—Look! Kangkang, that old man is crossing the crosswalk.

—Jane, let’s________ him.

A.helps B.to help C.helping D.help

—China is getting stronger and stronger.

—Yes. So Chinese________ by more and more foreigners.

A.learn B.learned C.is learned D.was learned

—Fangfang, shall we go to see a film on Saturday?

— Sorry. I’ll have to________my younger brother because my mother is out.

A.look at B.look for C.look up D.look after

—Maria, what do you think of Mount Fanjing?

—Very cool. I________ there once. I’d like to go there again.

A.has been B.have been C.have gone D.has gone