问题
选择题
At the sight of the snake, the frightened girl ________ a cry. [ ]
A. let in
B. let out
C. let alone
D. let down
答案
答案：B
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At the sight of the snake, the frightened girl ________ a cry. [ ]
A. let in
B. let out
C. let alone
D. let down
答案：B