题目内容
5. Mr. Walson to America 20 years ago and has been here .
A. has gone;since then
B. went;since ever
C. has gone; ever since
D. came;ever since
5.D
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题目内容
5. Mr. Walson to America 20 years ago and has been here .
A. has gone;since then
B. went;since ever
C. has gone; ever since
D. came;ever since