问题

What do youthink of the young lady? — She is hard-working. She ________all her effort into her work before she got ill.

A: has put
B:put
C:hadput
D: would put

正确答案是：

同类题型

er cup of coffee That’s your thirdsince lunch.—Yeah, well, I ____ all night preparing formy history exam. I can hardly keep my eyes open.

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