一、用所给词的正确形式填空。
1. I have two _______ (dictionary).One is English-Chinese dictionary, and the other is Chinese-English dictionary.
2. A: What’s the result of the race, Mary?
B: Jane is the ____ (one) in the race, Barbara is the ____ (two) and I am the _____ (three).
3. The Yellow River is the second _______ (long) river in China.
4. The boy is old enough to __________ (dress) himself.
5. The weather in Beijing is quite ___________ (difference) from that in Guangzhou.
6. I’m very _______ (interest) in that _________ (interest) story.
7. It’s more _________ (convenience) to take a taxi to the station than take a bus, but too expensive.
8. Be careful! Put the secret letter in a _________ (safety) place.
9. Lucy is _________ (jealousy) of her friend’s beauty.