选择方框内适当的词，并用其适当形式填空。

1. The pocket calculator needs two __________.

2. The band played many songs, __________ some of my favorites.

3. In the __________ century, our hometown changed a lot.

4. Our teacher gave me an __________ book yesterday.

5. While I was studying for the test, my neighbors were having a party __________.

在下列各句的空格内填上一个适当的完整的单词，该词的首字母已给出。

1.The population of the earth is i____________ very fast.

2.A radio host usually says, “Good evening to all our l__________!” at the beginning.

3.Teachers and parents always e __________us to get good grades.

4.The band played many songs, i___________ some of my favorites.

5.The postman is very hard-working, and he sends the packages to their o ______day after day.