1.why did you buy the jacket___you didn't like it?

来源：百度知道 编辑：UC知道 时间：2024/05/27 07:18:58
A.since B.that C.which D./
2.i___i would win the first prize of the competition.
A.wish B.hope C.think D.believe
3.Tom hasn't phoned us for a long time what do you suppose___to him.
A.was happening B.to happen C.has happened D.happened
麻烦帮选一下，再帮分析一下，非常感谢！

A since 表示 既然
A 虚拟语气 I wish sb did sth
C do you suppose为插入语，原句为：what has happened to him

a since 表示 既然
a 虚拟语气 只有wish
c 去掉插入语do you suppose 与主句无关

BDB

a 为什么不买那件外套,是因为不喜欢它吗?since 表示淡淡的因果关系
a 后一句用了虚拟语气,所以只能选wish
d 后一句就问他发生了什么事,没必要用到现在完成时.