3. The United Nations was supposed to the role of global peace-keep. A. undertakeB. under

发布时间：2020-08-15 02:55:23


3. The United Nations was supposed to      the role of global peace-keep.
A. undertake
B. understand
C. underway
D. Undergo

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(答案→)A. undertake
B. understand
C. underway
D. Undergo
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