—I don’t suppose they could have finished their experiment, they?— , they are still doing it in the lab.
#87846
A
could; Yes
B
didn’t; No
C
have; No
D
couldn’t; Yes
推荐题目
It was John who broke the window. Why are you talking to me as if I _______ it?
#86374
A
had done
B
have done
C
did
D
am doing
It is hard for me to imagine what I would be doing today if I ________ in love，at the age of seven，with the Melinda Cox Library in my hometown.
#86625
A
wouldn't have fallen
B
had not fallen
C
should fall
D
were to fall
---Is there any flight to Tokyo today ?---I think there __, for the weather is too bad.
#89837
A
mustn’t be
B
mightn’t be
C
needn’t be
D
can’t be
Look at the trouble I’m in. If only I ________ your advice.
#87093
A
followed
B
would follow
C
had followed
D
should follow
—What’s the matter with you ? —Oh, I’m not feeling well in the stomach . I ______so much fried fish just now .
#89513
A
shouldn’t eat
B
mustn’t have eaten
C
shouldn’t have eaten
D
mustn’t eat