—Who tocleantheclassroomyesterday? —LiMing. A....
问题详情：—Who tocleantheclassroomyesterday? —LiMing. A.helps B.helped C.ishelping D.willhelp【回答】B。此题考查一般过去时态。根据句意：“谁昨天打扫了教室？李明”前半句...
问题详情：—Who tocleantheclassroomyesterday? —LiMing. A.helps B.helped C.ishelping D.willhelp【回答】B。此题考查一般过去时态。根据句意：“谁昨天打扫了教室？李明”前半句...