【題目】I often take the bus to school，but________I go to school by bike．

A．some time

B．sometime

C．some times

D．sometimes

【答案】D

【解析】句意是“我經(jīng)常坐公共汽車去上學(xué)，但是有時(shí)也騎自行車去”。sometimes有時(shí)。

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