What time did you ______ to school this morning?A.get B.got C.reach D.reached问:为何选A而不选B?不应是过去时么?

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What time did you ______ to school this morning?
A.get B.got C.reach D.reached
问:为何选A而不选B?不应是过去时么?

在提问句当中,只有助动词改为过去式,动词要原型的.did就是助动词的过去式.

1.C
2.A
3.D
4.B
5.A
to tell the truth,i am not sure about no.1 and 3
CATV公用天线电视,cable television就是有线电视 文中说大部分人用cable tv 来代替catv

A
did 后接动词原形
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