He had a_____look in his eyes which meant that he had come up with a good plan.A.trickyB.

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He had a_____look in his eyes, which meant that he had come up with a good plan.

A.tricky

B.keen

C.shrewd

D.sly

请帮忙给出正确答案和分析,谢谢!

热搜:关于氨基酸代谢错误的论述是_________。