【題目】I can lend my bike to you ___________ you promise to take good care of it.

A. whileB. ifC. althoughD. unless

【答案】B

【解析】

句意：如果你答應(yīng)我好好照顧它，我可以把自行車借給你。

根據(jù)I can lend my bike to you和 you promise to take good care of it.之間的關(guān)系，可知是條件，如果你答應(yīng)我好好照顧它，while當(dāng)……的時(shí)候，然而；if假如，如果；although盡管，雖然；unless除非，如果不，相當(dāng)于if not，除非……否則。結(jié)合句意可知選B。

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