题目内容：

用所给词的适当形式填空。

1.Where is my bike? How strange! It __________(be) here just now.

2.Spring is the best time ________________(plant) trees.

3.Bill can’t wait _________(see) my aunt because I haven’t seen her for years.

4.Three years                 (pass) since his family moved here.

5. He                 (throw) his coat on the sofa and went out.