Question

【題目】Tim Cook called his mother every week even while he_______ around the world.

A. was traveling B. is traveling

C. traveled D. travels

Answer 1

【答案】A

【解析】

試題分析：句意：蒂姆·庫(kù)克每周都給他的母親打電話，即使他正在環(huán)球旅行。while引導(dǎo)時(shí)間狀語(yǔ)從句時(shí)，強(qiáng)調(diào)主從動(dòng)作同時(shí)發(fā)生，從句中常用進(jìn)行時(shí)態(tài)。本題主句是一般過去時(shí)態(tài)，故從句中用過去進(jìn)行時(shí)態(tài)。選A。