7. Tom’s father __________(经营) a big computer company.

6. Her mother does not __________(赞成) of her friendship with John.

5. In summer holiday students can ___________(放松) themselves.

4. Actually it is ______________(挑战性的) to speak English with native speakers at the beginning, but later you will feel better.

3. I have an ______________ (约会) at 3 o’clock this afternoon.

2. I _______(抱歉) to tell you that you didn’t pass the examination.

1. After the car accident, doctors were called ____________.(立即)

20. People living here can use the swimming pool at no e_______ cost.

19. He d___________ his unusual bravery in the battle filed

18. Learning English m__________ spending a lot of time practicing.