No one has turned on the air conditioner______.A、yetB、neverC、alreadyD、soon A

游客2025-06-19  0

问题 No one has turned on the air conditioner______.

选项 A、yet
B、never
C、already
D、soon

答案 A

解析 Adverbs of definite frequency may appear at the end of a sentence. Choice (B) is an indefinite frequency adverb. Choice (C) is used with a completed action. Choice (D) indicates a future time.  
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