题目内容：

根据音标以及句子意思，写出单词的正确形式。

1.Linda’s favorite subject is English because she thinks it is___________ (use).

2.Mike often___________ (完成)doing his homework before 9 o’clock.

3.There are twelve months in a year. The___________ (twelve) is December.

4.___________ /ɪkˈskjuːs/ me, is this your pencil case?

5.The People’s Republic of China was founded on____________ /ɒkˈtəʊbə/ 1st, in 1949.