题目内容
【题目】Henry as a waiter in a Mexican restaurant for a year when he studied in Boston University for his master’s degree.
A. has worked B. had worked
C. has been working D. worked
【答案】D
【解析】考查动词时态。句意:亨利在波士顿大学攻读硕士学位期间曾在一家墨西哥餐馆当服务员。此处是叙述过去的事实用一般过去时,故选D.
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