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
I’m going to Europe on vacation together with John if I _______ find the money.
#63486
A
can
B
might
C
would
D
need
-- I can’t believe that Jeff _______ have quarreled and fought with his boss.-- Well, if one _______ ask for trouble, it just can’t be helped.
#62585
A
would; will
B
must; may
C
should; must
D
need; dare
– Amazing! You _____ have won the first prize in the national English speech contest!– I’m lucky that all my efforts have finally paid off.
#62586
A
must
B
may
C
can
D
should
--- I was lucky to win a gold medal in the 800-meter-race. --- You __________ through tough training.
#63221
A
must go
B
should go
C
must have gone
D
should have gone
—Why，I didn’t get you on the phone.—We ________football on the playground when you phoned.
#62277
A
must be playing
B
must play
C
must have played
D
must have been playing