双层钢筋网片:I haven`t got any letter from my brother for a year. Do you ____ how worried I am now?

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A.have any idea B.think of
为什么选A
那B为什么不对呢

think of 是考虑之意 不合语境 have any idea ＝know 符合语境

同意楼上的，比如I don't know.=I have no idea.

.have any idea ＝know

I haven`t got any letter from my brother for a year. Do you ____ how worried I am now? we haven't got any meat today. I haven't bought any new___for years. we haven't got any black shoes fot that size we haven't got any black shoes for that size we haven't got any black shoes for that size 9.I haven't got a chair ___. Will you make room for me? i still haven`t found what i am looking for i have't got atring Show me what love is haven't got a clue. 什么意思??