I will tell him the good news when he ____ back to the company tomorrow.
A. comes
B. came
C. has come
D. had come
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Is this the first or the second time that you ____ the safari park?
A. had visited
B. have visited
C. visited
D. visiting
By the end of July, I ____ in the lab for seven months.
A. would have been working
B. have worked
C. will have worked
D. will have been working
The manager was said to have arrived back from Paris where he ____ some European business partners.
A. would meet
B. is meeting
C. had met
D. meets
It is the most instructive lecture that I ____ since I came to this school.
A. attended
B. had attended
C. am attending
D. have attended