I want two ______ trousers. （  ）

A．pairs

B．pair of

C．pairs of

用所给词的适当形式填空。
1. This ____________ (be) a rabbit.
2. Are they ____________ (longan)?
3. What are ____________ (this)?
4. Can I have some ____________ (grape)?
5. Do you like ____________ (strawberry)?

写出下列单词的正确形式。
【小题1】like （过去式）________
【小题2】box （复数形式）________
【小题3】thought （原形）________
【小题4】he （宾格）________

Complete the sentences with the given words in their proper forms (用括号中多给单词的适当形式完成下列句子。每空格限填一词)
1. From the _____ floor of the hotel you can have a good view of the town. (nine)   
2.The Qingming Festival has already become a _____ holiday in China. (nation)   
3. Nowadays more and more people like wearing _____. (scarf)   
4. My younger sister looked ______ because she lost her favourite toy. (happy)   
5. As a student, we should know the ______ of learning English. (important)   
6. It's the _____ time that Mary has been late for the school this week. (two)

Read and fill in the blanks (用所给单词的适当形式填空)
【小题1】— What ______ your bothers ______ (do), Jill?
— They’re ______ (policeman).
【小题2】Kitty ______ (buy) a new dress. She ______ (not care)about the price.
【小题3】______ (not climb) the tree.