题目内容
Their car broke down while they ________in the desert.
A.drove | B.were driving | C.are driving | D.will drive |
B
考察时态。句意:当他们正在沙漠中前进时,他他们的车抛锚了。while引导的从句强调主从动作同时发生,结合语境可知从句中用过去进行时态,故选B。
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