肯定不如双否好，陈述不如倒装妙，主动不如被动巧，分词结构不能少
如:
1）He spends all his spare time in reading. 用spend替换devote→
He devotes all his spare time to reading.
2）On his way to school, he found an old lady sitting by the road, looking worried. 用seat 替换sit→
On his way to school, he found an old lady seated by the road, looking worried.
3）I'm very glad to learn that you are coming in September. 用more than 替换very→
I'm more than glad to learn that you are coming in September.
4）After walking 10 miles, we all felt tired. 用cover替换walk→
After covering 10 miles, we all felt tired.
5）The summer vacation is coming soon. Do you have any plans? 用 round the corner 替换come soon→
The summer vacation is round the corner. Do you have any plans?
6）The products are very good and are sold everywhere in China. 用“be of + 名词”替换“be+形容词”→
The products are of high quality and are sold everywhere in China.
