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问题: 帮我分析这几题,一定要讲出原因来

Many people suffer from a great dread of heights.

The enemy forces Suffered heavy casualties by their own admission.

这里为什么填suffer 和suffer from而我们知道
suffer是直接原因,suffer from是间接原因

2。Itis time for school. He must now

a. be away b. be going c.be leaving. D. leaves
为什么答案是c. 为什么b不对

解答:

1. 靠语感吧

2. go 是瞬间动词