A、 were waving
B、 waved
C、 had waved
D、 have been waving
答案:答案D
A、 were waving
B、 waved
C、 had waved
D、 have been waving
答案:答案D
A. is seeing
B. had seen
C. sees
D. saw
A. went down
B. will go down
C. has gone down
D. was going down
A. were; being
B. have; got
C. have; been
D. did; get
A. doesn't mention
B. hadn't mentioned
C. didn't mention
D. hasn't mentioned
A. will play
B. have played
C. played
D. play
A. was made use
B. made use
C. was made use of
D. made use of
A. had
B. would
C. was going to
D. did
A. promises
B. promised
C. will promise
D. had promised
A. has been
B. had been
C. was
D. will be
A. was always listened
B. was always listened to
C. always was listened
D. always listened to