A、 is seeing
B、 had seen
C、 sees
D、 saw
答案:答案C
A、 is seeing
B、 had seen
C、 sees
D、 saw
答案:答案C
A. I'll go
B. I've gone
C. I go
D. I'm going
A. has left; comes
B. left; had come
C. had left; came
D. had left; would come
A. had said
B. said
C. were saying
D. had been saying
A. was traveling
B. traveled
C. had been traveling
D. was to travel
A. made to work
B. was made working
C. was made worked
D. was made to work
A. didn't work
B. won't work
C. can't work
D. doesn't work
A. are having
B. have
C. have had
D. had had
A. rides
B. is riding
C. is ridden
D. has ridden
A. was launched
B. are launched
C. have been launched
D. had been launched
A. were waving
B. waved
C. had waved
D. have been waving