I’m very busy ______ for the exam now. Will you come again at some other time?A、

游客2024-07-07  1

问题 I’m very busy ______ for the exam now. Will you come again at some other time?

选项 A、to prepare
B、to be preparing
C、prepared
D、preparing

答案 D

解析 本题考点是动名词。be busy后应加动名词。本句大意:我现在正忙着准备考试。你能改天再来吗?
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