I’m sorry, Bill. I _________ the book to you last week, but I was so busy that I forgot to do so.
#63435
A
must have returned
B
could return
C
should have returned
D
might return
推荐题目
It doesn’t often snow in my hometown in winter, but it ___be rather cold sometimes.
#63396
A
shall
B
should
C
can
D
would
We ________ here on time but we were caught in a traffic jam.
#62326
A
must have arrived
B
could have arrived
C
need have arrived
D
should have arrived
—Why can your neighbor know so much about London?—He ____ have been there before.
#63417
A
must
B
can
C
should
D
need
---I want to know if I can smoke here?---No, you _________. Could you see the sign “NO SMOKING” there?
#75545
A
needn’t
B
couldn’t
C
won’t
D
mustn’t
— _____ you find _______ ways to work out this problem, Jim? — Yes, I ______.
#76596
A
Could; another; could
B
Can; another; can
C
Could; other; can
D
Can; other; could