Mr Black will visit our new school building ______ two days.
A. before
B. after
C. at
D. in
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_______ theend of last spring Wang Hai joined the army _______ the end.
At/at
By/in
C. In /at
D. At /in
We will have a football match _____ this Saturday afternoon.
A. on
B. /
C. in
D. for
He came to see you _____ theevening of May 10th.
A. in
B. at
C. on
D. for
I’m afraidI gave you a lotof trouble ________ my stay here.
A. in
B. for
C. during
D. on