题目内容
While Connie ________ a baseball match, her sister is typewriting a letter in her office.
A. has watched
B. watches
C. is watching
D. has been watching
答案:C
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题目内容
While Connie ________ a baseball match, her sister is typewriting a letter in her office.
A. has watched
B. watches
C. is watching
D. has been watching