Most of Jeff’s best books ________ when he was sick and poor.
A.wrote B.would write C.had written D.were written
Don’t stay up too late, ________ you’ll find it hard to get up on time tomorrow.
A.and B.or C.but D.so
You are not allowed to take a bus _________ you wear a mask (口罩).
A.unless B.when C.if D.because
The delivery man promised that he ________ my takeout(外卖) very soon.
A.will deliver B.would deliver C.are delivering D.were delivering
Zhang Wenhong ________ as a doctor in Huashan Hospital since he graduated from college.
A.works B.worked C.has worked D.is working
Underground lines make people go out ________ than before.
A.convenient B.conveniently C.more conveniently D.most conveniently
