—Sorry, the tickets have already been sold out.—Really? Maybe I _______ a little earlier.
#86439
A
should come
B
should have come
C
could have come
D
must have come
推荐题目
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
Tom’s boss told Tome that if he worked hard, he _____ have a rise.
#87797
A
may
B
ought to
C
can
D
shall
He ____ writing the paper now. He hadn’t written a single word when I left him ten minutes ago.
#89345
A
shouldn’t be
B
can’t have finished
C
can’t be
D
mustn’t have finished