Mr. Green is said _____ an experiment to prove the new method of solving the problem when young.
#98925
A
to do
B
to have done
C
to be doing
D
to have been doing
推荐题目
Jack, who pretended       , heard, however, every word that was said.
#93017
A
not listening
B
not to be listened
C
not to be listening
D
not having listened
The person     at the meeting is famous        an actor.
#97129
A
referred ; for
B
referred to ; as
C
referred to ; for
D
referring ; as
Her _______ smile suggested that she was very _______ with the answer.
#93135
A
satisfying;satisfied
B
satisfied;satisfying
C
satisfied; satisfied
D
satisfying;satisfying
The house is too old. It requires ________.
#96347
A
to repair
B
repairing
C
repaired
D
repair