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
推荐题目
—I didn’t go to the Museum yesterday. —Yes, but I would rather you ___there too.
#88945
A
went
B
had gone
C
should go
D
would have gone
On Sunday when I was a child, my father and I _________ get up early and go fishing.
#87311
A
could
B
would
C
might
D
should
---Have you heard of Wang Meng? ---Yeah, she ______ have done better. She won China’s first gold medal at Turin.
#88034
A
should
B
might
C
needn’t
D
couldn’t
Why ____ you keep troubling your mother with such question while he is busy .
#89771
A
can
B
will
C
would
D
must
The mayor ordered that the food and tents ________ sent to the people in the earthquake as soon as possible.
#88180
A
were
B
be
C
would be
D
had been