1, long and short sentences are staggered. Clauses can be used appropriately, but not too much, especially adverbial clauses, which can be replaced by some adverbial or nominal elements. Give a very simple example.

They talked and laughed all the way during the hiking trip.

It can be said that they talked and laughed when hiding, but it is not as good as "talking and laughing, they hid wonderfully"

2. Use some varied sentence patterns, such as inversion, double negation, subjunctive mood, metaphor, personification, etc.

3. Use some high-order words and phrases, such as howevertheless can replace how and so on. But be careful not to abuse it. For example, you may have studied buy and purchase. purchase is more advanced than buy, but it is not suitable for writing letters to pen pals and other informal styles.

Use some proverbs, but you can't abuse them. Just like every coin has two sides. These are too common. There can be some famous sayings. It is right to prepare more knowledge about teamwork, environmental protection and dealing with setbacks. These various reference books will be available, so I won't give examples one by one.

When I was a freshman, my composition was average and above average. Now I am definitely the first in my class. I only got 1 point for my mid-term exam composition, while others got 6 or 7 points. My total score is 140. You should make great progress as long as you insist on writing an article every week and let the teacher revise it for you.

There are many synonyms you like, but the degree is different. It is better for you to use them in your composition, for example, being keen on them than liking them.