As you can see，the number of cars on our roads________ rising these days.

A．was keeping   B．keep

C．keeps   D．were keeping

 

C

【解析】考查主謂一致和時(shí)態(tài)。“the number of+可數(shù)名詞復(fù)數(shù)”（…的數(shù)目）作主語謂語用單數(shù)。根據(jù)時(shí)間狀語these days，時(shí)態(tài)要用現(xiàn)在時(shí)。所以正確答案為C.

考點(diǎn)：主謂一致和時(shí)態(tài)

 

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