Ⅰ．用所给单词的适当形式填空

【1】It is important for students ______ (study) English.

【2】Mo Yan is one of ______ (famous) writers in China.

【3】Who was the first ______ (get) to school today?

【4】The national flag ______ (use) as a symbol of the country.

【5】I ______ (return) the book as soon as I finish reading it.