--What can I do for you?-- If you __________ see Mr. Smith, give him my regards.
#86754
A
will
B
would
C
shall
D
should
推荐题目
They demanded that the books ______ to the school library right away.
#87511
A
should return
B
be returned
C
were returned
D
returned
---How much shall I pay for the phone call? ----You ____ .This is free of charge.
#87315
A
shouldn’t
B
can’t
C
needn’t
D
mustn’t
If these kind-hearted soldiers ___ us last week, we would not have such a good harvest.
#87160
A
helped
B
had helped
C
had not helped
D
didn’t help
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