题目内容：

(B) 根据句意，在答题卡对应题号的横线上，写出括号内所给单词的适当形式。

1.I’m glad to receive your valuable _______（建议).I will follow them at once.

2.My English teacher is the most important person that has _______（影响) my whole life.

3.It is _______ (四十九) days since I wrote an e-mail to him after hearing the bad news.

4.In spring, Suzy is always fond of hearing the rain beat lightly _______ (碰撞) the windows.