Right now we ________ stay at home to prevent the spread of virus (病毒).
A.may B.should C.can’t D.need
We don't think teenagers should be allowed to drive because they are not __________ enough.
A.serious B.more serious C.most serious D.the most serious
The harder you work, the _________ progress you will make.
A.great B.greater C.greatest D.little
—______ will your father come back?
—In a week.
A.How soon B.How long C.How often D.How far
We didn’t enjoy the day ________ the weather was so bad.
A.if B.but C.or D.because
Peter's father works _________ a big hospital. And he is a good doctor.
A.on B.in C.of D.from
