December 3
祈使句的否定缩略式：
它的形式为don‘t+动词原形：
Don’t wait!
Don’t speak to me like that!
Drop
1. Yesterday the temperature dropped to 8 degree below zero.
2. Tears dropped from her face.
3. She dropped her knife and fork and hurried to answer the phone.
Sent
1. She’s going to send a letter to her sister.
2. I will send him a present.
3. I like English.(this position should have a full stop ‘.’)
4. Her mother often sents her to the store for some groceries
