问题
选择题
— Where is Betty?
— She ______ on the playground half an hour ago. [ ]
A. sees
B. saw
C. is seen
D. was seen
答案
答案：D
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— Where is Betty?
— She ______ on the playground half an hour ago. [ ]
A. sees
B. saw
C. is seen
D. was seen
答案：D