【題目】—Look! _____ clean the river looks ! —Yes. I’m sure somebody _____ it up.

A. What; has cleaned B. How; has cleaned

C. What; cleaned D. How; cleaned

【答案】B

【解析】試題分析：句意：----看，這條河看起來(lái)多么干凈呀！---是的，我確定某人把它打掃干凈了。感嘆句中how+形容詞+主語(yǔ)+謂語(yǔ)。短語(yǔ)clean up表示把……打掃干凈。根據(jù)語(yǔ)境可知第二個(gè)空用現(xiàn)在完成時(shí)。故選B。

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