1.       Giant pandas are _________(protect) animals.

2.       Some students still don’t know the _________(important) of learning English.

3.       They _________(greet) each other with a smile on that day.

4.       The old man helped him by __________(provide) money for his study.

5.       When the girl heard the news, she got very __________(excite).

6.       Look at the sign. You should go in from the __________ (enter) to the supermarket.

7.       The teacher tells us it’s __________ (polite) to shout at people.

9. The girls are all ________ (frighten) of the dark.