问题
选择题
He ________ some safety measures at the meeting for the 2010 Shanghai Expo.[ ]
A. put forward
B. put up
C. put down
D. put off
答案
答案：A
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He ________ some safety measures at the meeting for the 2010 Shanghai Expo.[ ]
A. put forward
B. put up
C. put down
D. put off
答案：A