There______many birds around here,but now we can't see them any more.A.use to B.used to have C.used to be D.are选择哪项?为什么?

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There______manybirdsaroundhere,butnowwecan''tseethemanymore.A.usetoB.usedtohaveC.usedtobeD.are选择哪项?为什

There______many birds around here,but now we can't see them any more.A.use to B.used to have C.used to be D.are选择哪项?为什么?
There______many birds around here,but now we can't see them any more.
A.use to B.used to have C.used to be D.are
选择哪项?为什么?

There______many birds around here,but now we can't see them any more.A.use to B.used to have C.used to be D.are选择哪项?为什么?
选B
used to 过去(常常)
used to be 过去曾是.
used to have 过去曾有.
D 若改为were也可

B used to do 的意思是过去常常,往往隐含着现在不了的意思。根据这个句子的意思:以前这里有鸟,现在看不到了,得用used to,used to算半个情态动词,要加have这个实意动词来表示有

C
used to过去常有
there be 句型
这里过去常有很多鸟,但现在我们再也看不到它们了
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