Question

【题目】I didn’t know .

A. when would the bus arrive

B. what has been done

C. who left the message

D. where did he fix up the bike

Answer 1

【答案】C

【解析】

试题分析：句意：我不知道谁留了一张便条。这里是宾语从句，宾语从句的语序应该是陈述语序，所以排除AD；选项B应该用被动语态，故排除B；故选C。