题目内容
-How long did it ________ you to work out the difficult maths problem?
-I ________ about half an hour on it.
[ ]
A.take; took
B.spent; took
C.spent; cost
D.take; spent
答案:D
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题目内容
-How long did it ________ you to work out the difficult maths problem?
-I ________ about half an hour on it.
A.take; took
B.spent; took
C.spent; cost
D.take; spent