语法与词汇
9.
Which of the following contains an adverbial clause of cause?
A、
Please do exactly as your doctor says.
B、
As he was in a hurry, he left the bag at home.
C、
Rich as he is, I don't envy him.
D、
The aircraft exploded as it was landing.
【正确答案】
B
【答案解析】
状语从句。A项为方式状语从句，表示“按照……”；C项为让步状语从句，表示“尽管”；D项为时间状语从句，表示“当……的时候”。只有B项为as引导的原因状语从句，语势最弱，常用于日常谈话。
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