问题
选择题
Mr. Smith is still not so familiar with the city because it was only two months ago, in March, ____ he started
working here. [ ]
A. before
B. when
C. that
D. which
答案
答案：C
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Mr. Smith is still not so familiar with the city because it was only two months ago, in March, ____ he started
working here. [ ]
A. before
B. when
C. that
D. which
答案：C