1.The children remained ____ until after class.A.quietly B.silently C.quiet D.calmly2.The English play ____ my students acted at the party was a great success.A.in which B.for which C.at which D.on which3.You should understand the traffic rule by now

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1.The children remained ____ until after class.
A.quietly B.silently C.quiet D.calmly
2.The English play ____ my students acted at the party was a great success.
A.in which B.for which C.at which D.on which
3.You should understand the traffic rule by now.You've had it ____ often enough .
A.explaining B.to explain C.explained

1.选C remain 是系动词,所以后面要接形容词作表语.ABD都是副词,不符合要求
2.选A 这是选定语从句引导词,这里是介词+关系代词,其介词要看后面的动词,act in 在...中演出,符合这句话的意思.我同学在聚会上演出的那部话剧非常成功.
3.选C have sth done 意思是 使某事被做.并且这句话还是用了现在完成时态,把后面的have变成了had,即是过去分词.

1.C remain可以做系动词，后面用形容词作表语。
2.A 这是一道定语从句。act后面缺少成分，“act in the English play at the party" ,所以用in which
3.C had sth. done 使某事被做

C remain +adj 处于某种状态
A 在剧中演的...
C交通法规被解释

1.The thangful mother______their children. The children. The children 1.The children liked the ball.（改为一般疑问句） 1.The children are on on the farm .----- 英语翻译So,developing novel client-side dynamic anomaly detection approaches capable of discovering previously unrecognized exploits without bombarding the user with a disproportionate number of false alarms,and that minimize resource usage remai 英语翻译the children [ ]. where are the children? When The Children Cry the children's palace look!the children is The children always enjoy( ). divide them_____all the children. children lead the Internet Look,the children ()(boat) divide them_____all the children the other children是什么意思 Why are the children