The scientists recommend that studies ________ to find out what side effects the medicine might cause.
#86353
A
be done
B
should do
C
will be done
D
are done
推荐题目
I you a beautiful present for your birthday,but I was short of money at that time.
#89620
A
would buy
B
had bought
C
would like to have bought
D
must have bought
-----How do you like the party?----wonderful. If you had come with us , you ______a good time.
#86685
A
had
B
had had
C
would have
D
would have had
Tom always feels it necessary that he ________English.
#87314
A
learns
B
would have learned
C
learn
D
were to learn
Why didn't you tell me there was no meeting today? I all the way here through the heavy snow.
#89417
A
needn't have driven
B
can't have driven
C
mustn't have driven
D
shouldn't have driven