—I didn’t see her yesterday.—Of course, you _____, because she had gone to a trip.
#90165
A
can’t
B
may not have
C
can’t have
D
mustn’t have
推荐题目
Mr Bush is on time for everything. How____ it be that he was late for the opening ceremony?.
#87653
A
can
B
should
C
may
D
must
I apologize if I _______ you, but I assure you that it was unintentional.
#86712
A
should offend
B
were to offend
C
had offended
D
offended
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
—Happy birthday, Mary!—Thank you! It’s the best present I for．
#86454
A
should have wished
B
may have wished
C
must have wished
D
could have wished
. —How can I thank you? —Don’t mention it. Any other man in that case _______ the same thing.
#88540
A
would have done
B
could have done
C
must have done
D
should have done