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
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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
The old palace caught fire last month, and little of the original building ____ now.
A. remains
B. is remained
C. is remaining
D. has been remained
-- What’s that terrible noise? The neighbor ____ for a party.
A. have prepared
B. are preparing
C. prepare
D. will prepare