So far no life has been found outside the earth, but while some scientists are actively searching for living things in outer space, others firmly believe there ______.
#87593
A
ustn’t be
B
ay not be
C
an’t be
D
on’t be
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—Johnson，come and look at the sea！It's beautiful，isn't it?—Absolutely！If only I ______here by the sea.
#89432
A
had lived
B
lived
C
live
D
will live
----Thank you very much for giving me a hand when I was in trouble. ------Don’t mention it. I only did what anyone else _______ in my place.
#87433
A
must do
B
might do
C
would have done
D
can have done
If you really want yourself to be in good health, you must ___ always ___ so much.
#90202
A
not; be smoking
B
not; have smoked
C
not; to smoke
D
be not; smoking
Food safety has become a growing concern. Had the offenders been punished severely enough, the situation________ different now.
#86695
A
will have been
B
would have been
C
would be
D
shall be
---Are you still going to Shanghai for the Spring Festival? ---Yes, but I really because I have a lot of things to deal with.
#88219
A
can’t
B
mustn’t
C
won’t
D
shouldn’t