10.-These days the air has been heavy with PM 2.5,and it's hard to see.
-Yes,but sometimes it ______ also be clear,especially after a rain.( 。
A.needB.canC.mustD.might

分析 句意:-這幾天空氣污染很?chē)?yán)重,達(dá)到PM2.5,很難看清.--是的,但是有時(shí)候會(huì)清楚的,尤其是在雨后.

解答 答案B."need"需要;"can"能夠,可能,有時(shí)會(huì);"must"必須,肯定,偏偏;"might"可能.根據(jù)句意,:-這幾天空氣污染很?chē)?yán)重,達(dá)到PM2.5,很難看清.--是的,但是"有時(shí)候會(huì)"清楚的,尤其是在雨后.故選B.

點(diǎn)評(píng) 本題考查情態(tài)動(dòng)詞,要掌握詞義并結(jié)合具體的語(yǔ)境選擇出正確選項(xiàng).

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