Although there is no life on Mars now , some scientists think that there ______ some form of life a long time ago .
发布时间:2021-08-10
A.must be
B.may have been
C.can have been
D.could be
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- 1You are thirsty, aren't you? _____ he get you some coffee?
A.Will
B.Shall
C.Will
D.Should
开始考试点击查看答案 - 2He asked me for this book many times. Please tell him he ______ get it tomorrow.
A.must
B.would
C.shall
D.should
开始考试点击查看答案 - 3---How could I thank you enough, Fred? ---Don't mention it. Any other man _________ that.
A.could do
B.might do
C.would have done
D.should have done
开始考试点击查看答案 - 4She ______have stopped her work halfway.
A.ought to not
B.ought not to
C.not ought to
D.does not ought to
开始考试点击查看答案 - 5I promised to get there before 5 o'clock, but now the rain is pouring down. They ______ for me impatiently.
A.may wait
B.ought to wait
C.could wait
D.must be waiting
开始考试点击查看答案 - 6We're happy that our predictions ______ so accurate , which is far from expectation .
A.might be
B.would be
C.should be
D.will be
开始考试点击查看答案 - 7--It's said that no one ______ light a cigarette at a gas station. --- Yes. Safety always comes the first.
A.can
B.may
C.shall
D.must
开始考试点击查看答案 - 8I wish I _____a car.It would make life so much easier.
A.have
B.had
C.had had
D.will have
开始考试点击查看答案 - 9---It's the office! So you _____ know eating is not allowed here. ---Oh, sorry.
A.may
B.will
C.must
D.need
开始考试点击查看答案 - 10What award did you get for the sports competed ion? ___________ I have a look?
A.May
B.will
C.Should
D.Must
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