问题描述:
( )you( )football yesterday?A.Do;play B.Did;play C.Did;played
Did you help ( )clean( )room?A.their;them B.them;them C.them;their
Lucy usually( )her homework in the evening.A.do B.does C.did
Did you help ( )clean( )room?A.their;them B.them;them C.them;their
Lucy usually( )her homework in the evening.A.do B.does C.did
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