tytg

解题思路： 理解句子含义；熟悉词汇辨析；熟悉英语语法；善于分析句子成分和句子结构;熟悉英汉翻译。
解题过程：
如下
1.receives the letter 2.takes the bus
3.is sleeping 4.There is going to be
5.have seen 6.have ever seen
7，is going to rain
8，worked 9，are always late
10.have known