---Soorry, i don't know what the teacher said just now. ---he asked Maria_______.
A.how long did she spend on her homework.
B.how long she spent on her homework.
C.how long does she spend on her homework.
D.how long she spends on her homework.
人气：397 ℃ 时间：2019-10-11 02:10:12
解答
B为什么啊？请讲解一下吧...宾语从句要用陈述语序， 排除 ACasked 用过去时，时态一致 所以选B
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