We are going for a picnic tomorrow. I'll call Wendy to make sure _______. [ ]A. why to start B.

题目简介

We are going for a picnic tomorrow. I'll call Wendy to make sure _______. [ ]A. why to start B.

题目详情

We are going for a picnic tomorrow. I'll call Wendy to make sure _______.

[     ]

A. why to start
B. when to start
C. what to start
D. which to start
题型:单选题难度:中档来源:同步题

答案

B

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