题目内容
【题目】
At the meeting, Mr Li came up with a proposal _______the construction of the new airport.
A. concerned
B. to concern
C. concerning
D. being concerned
【答案】C
【解析】介词concerning，表示“关于”；concerned 担心的，忧虑的。
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题目内容
【题目】
At the meeting, Mr Li came up with a proposal _______the construction of the new airport.
A. concerned
B. to concern
C. concerning
D. being concerned
【答案】C
【解析】介词concerning，表示“关于”；concerned 担心的，忧虑的。