1 At first i didn't know ____the computer on.A)what to switch B)what to be switching C)how to switch D)how to be switching2 i heard my favourite play ____again on the radio a few years ago.A)perform B) performed C)to performed D)to have performed3 Do

1 At first i didn't know ____the computer on.A)what to switch B)what to be switching C)how to switch D)how to be switching2 i heard my favourite play ____again on the radio a few years ago.A)perform B) performed C)to performed D)to have performed3 Do
1 At first i didn't know ____the computer on.
A)what to switch B)what to be switching
C)how to switch D)how to be switching
2 i heard my favourite play ____again on the radio a few years ago.
A)perform B) performed C)to performed D)to have performed
3 Don't mention it,i'm glad ____you.
A)to help B)to have helped C) helping D)having helped
4i will have to have my watched reparied____late again.
A)in order not be B) for not being
C)so as not to be D)so that it's not
5 Mr White is ____to need a doctor.
A)so sick B)as sick as C)too sick D)enough sick
6 Fish can't live on in ____water.
A)clam B) silent C) still D) stop

1 At first i didn't know ____the computer on.A)what to switch B)what to be switching C)how to switch D)how to be switching2 i heard my favourite play ____again on the radio a few years ago.A)perform B) performed C)to performed D)to have performed3 Do
1.C我不知道怎样开机.因为后半部分不需要what所作的主语或宾语成分,而需要一个表示如何的how来做状语,所以排除A,B.另外,是人去主动开机,故不用D而选C
2.A hear watch feel 等感观动词后面加doing或者do.
hear作为行为动词听见时,hear sb do sth表示“听到某人做了某事”或“经常听到某人做某事”,hear sb doing sth.表示“听到某人正在做某事”
performing是现在正被放,这里没有体现,也没有.不选to do ,所以选A.
3.A be glad to do sth.乐意做某事,排除C,D.一般就算已经发生了,也不用have done的形式,故选A
4.D D选项“我要修我的表,以使它不再慢”.so that 表示目的,后面可以加句子
5D A选项应该改为so sick that he need a doctor.B选项“和什么一样虚弱”C选项翻译为“太虚弱以至于不需要医生” D选项“足够虚弱而需要看医生”
6D clam water 水蚌 silent water静静的水 stop water止水,不流动的水

1. 选C。这是“疑问词+动词不定式”结构作宾语。switch sth on 表示打开。
2. 选B。这是“过去分词作宾补”结构。过去分词表示被动和完成。
3. 选B。这是“动词不定式的完成式”，表示一个在说话时已经完成的动作。
4. 选C。so as not to do sth 表示“以便不做某事”。
5. 选B。as...as 表示“如此…以至于”，第二个as ...

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1. 选C。这是“疑问词+动词不定式”结构作宾语。switch sth on 表示打开。
2. 选B。这是“过去分词作宾补”结构。过去分词表示被动和完成。
3. 选B。这是“动词不定式的完成式”，表示一个在说话时已经完成的动作。
4. 选C。so as not to do sth 表示“以便不做某事”。
5. 选B。as...as 表示“如此…以至于”，第二个as 后可以接从句，也可以接不定式。
6. 选C。still 在这里是形容词，表示“静止的”。（选项A打错了，应是calm。）
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1C宾语从句，刚开始我不知道如何开电脑，用来表示方式，主动结构，所以不能用be ，不少成分，也不能用what
2B V+宾语+宾补 结构，喜欢的戏剧被演奏，用过去分词表被动
3A be glad to do sth很高兴做某事
4C 表目的用in order to/ so as to 否定形式用in order not to/ so as not to
5B ...

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1C宾语从句，刚开始我不知道如何开电脑，用来表示方式，主动结构，所以不能用be ，不少成分，也不能用what
2B V+宾语+宾补 结构，喜欢的戏剧被演奏，用过去分词表被动
3A be glad to do sth很高兴做某事
4C 表目的用in order to/ so as to 否定形式用in order not to/ so as not to
5B as ...as结构（这题我也不是很确定呢）
6C still表示静态的，不动的，这里是鱼不能生活在死水里。

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1,c how to= how can i 不定式的主动表被动，意思是怎样打开电脑，即，怎样使电脑被打开。
2，b performed 是过去分词，表示被动完成，即play已经演过了
3. a, glad to do 乐意做某事~
4. c, so as not to 以免，表目的。b 是原因，原因应该发生在结果之前，逻辑不对。
5. c, too,,,to... ...

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1,c how to= how can i 不定式的主动表被动，意思是怎样打开电脑，即，怎样使电脑被打开。
2，b performed 是过去分词，表示被动完成，即play已经演过了
3. a, glad to do 乐意做某事~
4. c, so as not to 以免，表目的。b 是原因，原因应该发生在结果之前，逻辑不对。
5. c, too,,,to... 太。。。。以至于不能…
6. c, still water, 不流动的水 stop water是阻止水

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