题目内容
-Good to see you again.It's almost three years ________ we met last time.
-Yes, how time flies.
[ ]
A.until
B.before
C.while
D.since
答案:D
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题目内容
-Good to see you again.It's almost three years ________ we met last time.
-Yes, how time flies.
A.until
B.before
C.while
D.since