题目内容
----Has Jack finished his homework yet?
------I’ve no idea, But he ______ it the whole afternoon.
A. would do B. was doing C. did D. had done
B
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题目内容
----Has Jack finished his homework yet?
------I’ve no idea, But he ______ it the whole afternoon.
A. would do B. was doing C. did D. had done
B
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