小题1:We will turn off the lights for an hour on Earth Day .(对

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小题1:We will turn off the lights for an hour on Earth Day .(对划线部分提问)
________ ________ we turn off the lights for an hour?
小题2: Shall we have a picnic at the weekend? (改为同义句)
________ ________ having a picnic at the weekend?
小题3:“Will you please open the window?” she said to him. (将直接引语改为间接引语)
She ________ him ________ open the window.
小题4:They kept on talking until the teacher came in. (改为同义句)
They didn’t ________ ________ until the teacher came in.
小题5: The new high-speed Hangzhou-Shanghai line started running last year. It cost about 29 billion yuan. (合并为含定语从句的句子)
The new high-speed Hangzhou-Shanghai line ________ ________ about 29 billion yuan started running last year.

小题1:When will
小题2:What/ How about
小题3:asked; to
小题4: stop talking
小题5: that/ which cost

小题1:对时间提问用疑问词when，后跟一般疑问句，助动词will提前，故本题空格处填When will 。
小题2:本句是提出建议，也可以用what about或how about提出建议，后跟动名词，表示……怎么样的含义，故本题空格处填What/ How about 。
小题3:本句的含义为她叫他把窗户打开，ask sb to do sth表示叫某人做某事，故本题空格处填asked; to。
小题4:本题的含义为也可以为直到老师进来的时候他们才停止说话，stop doing sth表示停止做某事，故本题空格处填stop talking 。
小题5:修饰名词高铁线为定语从句，先行词为物关系词可用that或which，本题表示过去，从句谓语动词用价值的过去式cost，故本题空格处填that/ which cost。

小题1:We will turn off the lights for an hour on Earth Day .(对 we read english for half an hour every day(对for half an hour we play basketball for an hour every day 对for an hour提问 Turn on the lights Turn on the lights. 英语翻译Turn off the radioTurn off the lights you know Turn on y We must not more lights than we need A turn on B turn off C they will turn out some light for an hour翻译 We waited for the traffic lights to turn g___ You want Tim to turn on the lights for you 你好:1 B turn off lights 意思是"关灯" trun on lights 意思是"开灯" turn the lights off用法对吗