—What a pity! Their experiment is a failure.—They ________ better under more favorable conditions.
#86419
A
should have done
B
could have done
C
must have done
D
may have done
推荐题目
This book ______ Tom’s father’s, because his name is on the book.
#88110
A
maybe
B
may be
C
must be
D
must
—What’s your feeling now? —I am terribly sorry. If only I here yesterday!
#87389
A
came
B
would have come
C
have come
D
had come
They have promised the money collected be handed to the charity house.
#87117
A
can
B
must
C
will
D
shall
You should have told me there was no meeting today, I ___ have run all the way here through the heavy rain.
#88470
A
can’t
B
mustn’t
C
shouldn’t
D
needn’t
—The contest is so easy, but you fail to pass it．—I’m sorry it ______ be this way．
#87587
A
need
B
should
C
may
D
would