根据句意，用括号内所给单词的适当形式填空。

The famous singer's ________(arrive)made the fans rather excited．

根据句意，用括号内所给单词的适当形式填空。

No one bought a present for the twins, so they made ________(they)a model plane．

根据句意，用括号内所给单词的适当形式填空。

－How is your business going?

－Oh, it couldn't be ________(bad)．

根据句意，用括号内所给单词的适当形式填空。

My grandmother is already in her ________(ninety), but she still does exercise as much as possible every day．

用括号内所给动词的适当形式填空。

Many scientists are always trying to devote themselves to ________(study)in different areas．

用括号内所给动词的适当形式填空。

He failed the math exam again because the bell ________(ring)before he finished the rest half of the testing-paper．

用括号内所给动词的适当形式填空。

In order to complete the task, all the club members had no choice but ________(stay)up late．

用括号内所给动词的适当形式填空。

－It is reported the police searched the whole building yesterday but nothing unusual was

found there．

－Really? I ________(think)the thief had already been caught．

用括号内所给动词的适当形式填空。

The passengers were told that the plane ________(take)off in two hours because of the bad weather．

用括号内所给动词的适当形式填空。

Where is Jim? I'm afraid he ________(forget)the visit to the museum．