C
Could 用于句首表示一種委婉的語氣,不表示過去時,所以排除 A,B,D,
另外,if 引導(dǎo)的條件狀語從句 用一般現(xiàn)在時 表示將來.進(jìn)一步確定選C.
開心.
could you tell me if he_______finish the work on time?
could you tell me if he_______finish the work on time?
A.could B.was able to C.is able to D.would be able
選哪個?為什么?
A.could B.was able to C.is able to D.would be able
選哪個?為什么?
英語人氣：470 ℃時間：2019-08-16 20:56:10
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