—Look! Kangkang, that old man is crossing the crosswalk.
—Jane, let’s________ him.
A.helps B.to help C.helping D.help
—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
—Work hard, ________your dream will come true.
—Well. I will do my best.
A.so B.but C.and D.or
—My English is poor. Could you help me with it?
—________.
A.Thank you B.Me, too C.No problem D.See you
—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
—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
