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问题
选择题
She was noticed ______ the shop.
A.to enter
B.enter
C.having entered
D.entered
答案
答案:
A
选择题
How's Annie? I _____ her for a long time.
A. don't see
B. won't see
C. didn't see
D. haven't seen
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问答题
试述超声诊断胎儿畸形的价值。
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