作业帮1.I'm afraid we have spent more time on the question than _____intended to spend.A.is B.being C.had D.it2.I wonder who knocked over the flower pot yesterday.It_____Jane because she was out all day.A.couldn't be B.mustn't be C.couldn't have been D.mig
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1.I'm afraid we have spent more time on the question than _____intended to spend.A.is B.being C.had D.it2.I wonder who knocked over the flower pot yesterday.It_____Jane because she was out all day.A.couldn't be B.mustn't be C.couldn't have been D.mig
1.I'm afraid we have spent more time on the question than _____intended to spend.
A.is B.being C.had D.it
2.I wonder who knocked over the flower pot yesterday.It_____Jane because she was out all day.
A.couldn't be B.mustn't be C.couldn't have been D.might not have been
1.I'm afraid we have spent more time on the question than _____intended to spend.A.is B.being C.had D.it2.I wonder who knocked over the flower pot yesterday.It_____Jane because she was out all day.A.couldn't be B.mustn't be C.couldn't have been D.mig
1.省略主语
I'm afraid we have spent more time on the question than (we) had intended to spend.
选（C)
2.情态动词,语气与时态
I wonder who knocked over the flower pot yesterday.It couldn't have been Jane because she was out all day.
选（C)
Bthan后用being
Acouldn't be 表示不可能
D
A
CC
选 HAD
1. we HAVE SPENT more time on the question than WE HAVE HAD _____intended to spend.
spend 主语一定是人 WE HAVE HAD INTENDED 我们本来打算要
cost 主语一定是物
A.couldn't be 表示事情发生了，但 不可能 是什么什么WE HAVE HAD _____intended WE HAVE HAD _____intended
1.选D
it是做形式主语
2.选A
根据上下文的意思,表示"不可能",所以B和D排除,而从句是过去时,结合语境,情态动词的用法,应该选C.
D
第一个少了宾语，所以要找一个宾语代替所以用it
intended to spend 是简化的定语从句，修饰it的
A
couldn't be 表示强烈的不可能 B没有这么用的 C是本来应该是而不是D可能而本不可能