问题
选择题
The smile on Mother's face suggested she____________. [ ]
A. was glad
B. was surprised
C. is pleased
D. 
was annoyed
答案
答案：A
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The smile on Mother's face suggested she____________. [ ]
A. was glad
B. was surprised
C. is pleased
D. was annoyed
答案：A
场销售水平，使其进入全球通用飞机的主流市场，同时从制造为主跨入到通用航空的全产业链。这表明[ ]