河南成教 / 大学英语
正确率：100%
6、
If you have to go through a smoke-filled area, you’d better _ _ _ with your head low.
A.crawl
B.retreat
C.proceed
D.drag
If you have to go through a smoke-filled area, you’d better _ _ _ with your head low.
参考答案：
佳题速递：