1. This kind of dictionary is very _______ (use).
2. Vitamins are essential (必需的) for healthy _______ (grow).
3. I would rather _______ (wear) green than red. Red is a girl's color.
4. You'll _______ (give) a nice present for your help.
5. I don't like fishing. I'm an ________ (patient) boy.
6. He is the chairperson of the ________ (student) Union.
7. Lily found a golden ring ________ (lie) on the ground.
8. The man said he ________ (prefer) to use yellow to remind him of a warm sunny day.
9. This pen is ________ (value) of all my stationery.
10. The students ________ (divide) into four teams already.
11. Don't make so much ________ (noisy). Your mother is asleep.
12. He is a boring man. He doesn't know how to make life ________ (colour).
13. Our teacher is helpful enough to offer us lots of useful ________ (suggest).
14. _______ (plan) ahead can help you make work easier.
15. The teacher told us time _______ (wait) for no man.

1. —Where is the bird? 
   —It ________ (fly) away a moment ago.
2. He is worried about _________ (not pass) the English exam.
3. Amy would rather ___________ (wear) green than red. Red is a girl's color.
4. He told me that he would have some difficulty                 (chat) with American students.
5. It is generous of the people from the rich family_________ (donate) to UNICEF.
6. — Hi, Liu Tao. I didn't see you at the party.
    —Oh. I _______ (get) ready for the maths exam.