题目内容
How I miss you! It's over a month ________ I last saw you when 1 left for my university.
[ ]
A.
when
B.
since
C.
until
D.
before
答案:B
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题目内容
How I miss you! It's over a month ________ I last saw you when 1 left for my university.
when
since
until
before