根据句意，用括号内所给单词的适当形式填空。

1. All the family are looking forward to the arrival of my father's _______(四十) birthday.

2. What an _________ (comfort) day! So hot and wet!

3. The people buried (被埋) under the ground waited for others' help _______ (hope) because they

    insisted that they would be saved sooner or later.

4. Mini-blog(微型博客)has become ________(fashion) of all the service on the Internet.

5. The workers are well-paid here in our company. Look! These cars are those _________(salesman)