39. She won’t let her daughter _____ by the river.A. play B. plays C. to play D. playing
6． She spends two hours________ the violin every day．A．playB．playsC．to playD．playing
19．A． playB． playsC． are playD． do play
9． Can Miss Wang _______ us this afternoon?A． playB． playsC． plays withD． play with
We often ______ in the yard.A、playsB、playC、playingD、played
Maria is particularly keen on ______ the violin. A、playB、playsC、playingD、played
Look! Those boys _____ football now. A.is playingB.are playingC.playingD.played
She likes to spend time( )with her grandchildren.A. playB. to playC. playingD. played
有一 5 节车厢的过山车，每节能座两人，现有 Luair,Jack,Gwen,Tom,Mark,Paul,6 人去乘车，有以下条件1,Luair 和别人同乘2,Mark 不合别人同乘，而且 Mark的前一节车厢是空的3,Tom 不和 Gwen 与 Paul 中的任何一人同乘4,Gwen 乘 3，或者4 节