问题
Haven’t seen Lucy recently，what’s happened?—Oh，it’s more than two months ________ she worked here
A:which
B:that
C:before
D:since
B:that
C:before
D:since
正确答案是：
同类题型
John promised his doctor he ________not smoke，and he has never smoked ever since
The old king decided to retire and the heavy load of responsibility to his three daughters.
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