问题

He had written 24 novels ____ 2007[ ]

A: by the end of
B: at the end of
C: in the end of
D: to the end of

正确答案是：

同类题型

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ght she was famous, but none of myfriends have ______heard of her

How often does the boy play sports—__________

_______ he lives in a rich family, he started from thelowest position as an ordinary worker to make his living.

The camera is _______expensive________ I can’t afford it.