请用括号中所给单词的适当形式填空，完成下列句子或对话。

1. I go to visit my grandparents _______ (two) a week.

2. The tall _______ (build) over there is the library.

3. We have a class _______(meet) every Friday afternoon.

4. —Thank you very much for lending (借) me your car.

    —It's a _______ (please).

5. The story is very ________ (interest). Children like listening to it very much.