题目内容
( ) 14. Mr. Wang for three hours,and his son an hour ago.
A. have swum,started B. has swum,has started
C. swam,has started D. has swum,started
D
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题目内容
( ) 14. Mr. Wang for three hours,and his son an hour ago.
A. have swum,started B. has swum,has started
C. swam,has started D. has swum,started