P118~P124
1. feed，raise，keep的区别
2. feel的两种词性和六种词义以及它的名词feeling的中文意思
3. few，a few，little。和a little谁表示否定谁表示肯定，谁修饰可数，谁修饰不可数
4. figure的两种词性七种词义
5. field的三种词义
6. file的两种词性三种词义
7. finance的形容词形式financial的中文意思
8. fine的三种词性和六种词义
9. fire的三种词义
10. firm的两种词性四种词义
11. flash的两种词性三种词义
12. flat的三种词意和两种词性
13. flow的过去式和过去分词
14. fly的两种词性五种词义
15. fool和foolish的词性和词义
16. forbid的过去式和过去分词
17. follow的五种词义以及following
18. force，power，strength和energy的辩异
19. 翻译
Force sb to do
Forbid sb to do
Forbid doing
Be fond of
Folk
Fold sth in paper
Fold up
In a fog
Focus on
The focus of attention
Time flies
Fluent
Flu
Flour
Flood
Float
Flight
Flesh
Flexible
Flee
A flexible schedule
At first
First of all
Go fishing
Be fit for
Fix
Flame
Flash
Flashlight
Flat plate
Flavor
Find out
Finger
Fire
Fireworks
Finish _______
Figure out
Figure sb to oneself
Fill A with B
Fierce
Fight for
Fight against
Fight with
Final
Fellow
Fiction
Fence
Festival
Fetch
Female
Have a fever
In a fever
Feel like doing
Flight
Favorite
Federal