[名词解释] 乒乓反应（ping-pong reaction）
[单选题]8．—Can we _______ ping-pong?—No，_______ tennis．A． play; let's playB． plays; let's playC． play; let's to playD． plays; let's to play
[主观题]I have a ping-pong ball and two bats．L _______play ping-pong．
[单选题]John: Hello, Maria!______.Maria: Yes, I'm pretty busy lately. How about your studies?
[单选题]E．dward, you play so well. But I you played the piano. A. didn’t know B. hadn’t known C. don’t know D. haven’t known
[单选题]When will they get there for the play?A． 9:00. B. 10:00. C. 10:30.
[单选题]Which play is not a comedy？( )A.A Midsummer Night ′s DreamB.The Merchant of
[单选题]Which play is not a comedy？( )A.A Midsummer Night ′s DreamB.The Merchant of
[单选题]Which play is not a comedy？( )A.A Midsummer Night ′s DreamB.The Merchant of
[单选题]Which play is not a comedy？( )A.A Midsummer Night ′s DreamB.The Merchant of