5. It’s difficult to get along with that ___________ person. He cares too much about money.

4. I ____________ that young man who risked his life trying to save the child.

3. I shall never forget you and shall __________our friendship forever.

2. It is ____________ of you to send me such an ______________ valuable necklace.

1.What inspired him to give such a _____________ performance.

10.The colorful flags _______________ the beauty of the square.

练习五(Unit 17)

9. British law says that every new drug must be ____________________ at least two different kinds of animals, such as mice or dogs.

8. Wearing 　dark-glasses will __________ you __________ the strong sunlight.

7. Just then, I saw some of the hairs on the string stand up. The string was _______________!

6. In the eighteenth century, Benjamin Franklin conducted ____________________ experiments in which he showed what electricity is.