A、 promised
B、 were promised
C、 have promised
D、 have been promised
答案:答案D
A、 promised
B、 were promised
C、 have promised
D、 have been promised
答案:答案D
A. Do you see
B. Had you see
C. Would you see
D. Have you seen
A. has grown
B. is growing
C. grew
D. had grown
A. promised
B. were promised
C. have promised
D. have been promised
A. went down
B. will go down
C. has gone down
D. was going down
A. was launched
B. are launched
C. have been launched
D. had been launched
A. is discussed
B. has been discussed
C. is going to be discussed
D. will have been discussed
A. is hanging
B. has hung
C. hangs
D. hung
A. are having
B. have
C. have had
D. had had
A. is visited
B. will be visited
C. has been visited
D. was visited
A. will not be; will know
B. is; will know
C. will not be; know
D. is; know