【題目】I was working as a waiter last month，__________ my friends were lying on the beach.

A. whenever B. though

C. for D. while

【答案】D

【解析】句意:上個(gè)月我在做服務(wù)員時(shí)，我的朋友們卻躺在海灘上。while引導(dǎo)時(shí)間狀語(yǔ)從句時(shí)，從句常用進(jìn)行時(shí)態(tài)。whenever無論何時(shí)，引導(dǎo)讓步狀語(yǔ)從句；though盡管，引導(dǎo)讓步狀語(yǔ)從句；for因?yàn)�，用來補(bǔ)充說明原因。A、B、C三項(xiàng)均不符合句意。

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