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  3. I find Peter always______ his classmates in a debate, even though the argument i

I find Peter always______ his classmates in a debate, even though the argument i

游客2023-09-06  40
问题 I find Peter always______ his classmates in a debate, even though the argument is not sufficient.
选项 A、backs up
B、backs down
C、backs out
D、backs off
答案 A
解析 题意是：我发现在辩论中彼得总是______ 他的同学，即使论证并不充分。[A] backs up．“支持”，符合题意。  [B] backs down“放弃，后退”；  [C] backs out“退出”，后接名词时必须与of连用；  [D] backs off“放弃，后退”。因此，这三项都不符合题意。
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