1为什么？He got high marks .It was all ___he had worked hard.
A for B because
答案：A
2. It's possible that misunderstood what I said.
结构怎么分析？
3. Have you seen the girl ___?
A.I told you of
B.whom I told you
答案：A 为什么？
4I received ___ nice a gift ___ my mother promised
A as as B so which
答案：A 为什么
1.for是表推测的原因，较主观，也是最弱的因为。（这就是for和because的区别）2.that是代词，即that所指代的人误会了我说的话。3.tell sb of sth（sb）即I told you of the girl
这里是定语从句,A选项中who省掉了（只要不做主语，定于从句中的关系代词可以省）4.A中第一个as是副
1.for 表示原因的补充说明，一般不用在句子开头。because表示直接原因，一般放在句首。2.what i said 修饰misunderstood, it's possible that 引导宾语从句 很可能误解了我所说的3.have you seen （i told you of)the girl. whom 引导宾语从句，但是句子中并不缺少
