【題目】There must be a cleaner _____ the rubbish in the street. The street is very clean.

A.collectB.collectingC.collectsD.to collect

【答案】B

【解析】

句意：街上一定有一個清潔工正在收垃圾。街道很干凈。

考查非謂語動詞辨析。collect收集；collecting是其現(xiàn)在分詞和動名詞形式；collects是其三單形式，to collect是不定式結(jié)構(gòu)。 There must be sb doing sth表示“一定有某人正在做某事”，此處用collect的現(xiàn)在分詞形式，表示說話同時動作正在進行，在句中作后置定語，修飾a cleaner。故選B。

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