Tom has been in the factory ______ he left school. [ ]A. when B. since C. as soon as D. whether -八年级

题目简介

Tom has been in the factory ______ he left school. [ ]A. when B. since C. as soon as D. whether -八年级

题目详情

Tom has been in the factory ______ he left school.

[     ]

A. when
B. since
C. as soon as
D. whether
题型:单选题难度:中档来源:期末题

答案

B

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