There ______ some sick children in the party and each of them ______ a gift.

---- What’s wrong with him? ---- He doesn’t feel very well. The doctor _______ just now.

He will give me a message when he ________ arrive there.

 —Linda, I called you this morning, but nobody answered the phone. —I'm sorry. I      a picnic with my family then.

At present , the terrible foggy haze（雾霾）weather has influenced our normal life badly . So our government should _____ to reduce the air pollution.

You have finished writing an e-mail on computer , but too many mistakes in it . You can click _____ .

Every Earth Day , We are made _____ signs to warn people to protect the nature .

The famouse writer Lin Qingxuan ______to come to our school to give a speech again.

Who can _____that he finished his task alone?

Do not        your personal information unless it is a safe website. 

---Could you tell us how long        asleep?---For about two hours.

- Honey, this is a present for your birthday.- Ah! A pair of shoes, well-known-brand – Nike. I think it _______ comfortable:

- Nobody but yon_______ late for school this morning. - Sorry, I _______ to school when it began to rain heavily..

- You don't know what great difficulty I had _______ to get the two tickets.- But the film is really worth_______ twice.

- _______ for your step, Jim, or you might fall into the lake. - Well, I got it．

They hoped ________ the secret forever.

A new gym ________ in our neighbourhood next year.

—Why do you look so tired?—Because we ________ for three hours without stopping.

The workers are trying to ________ what’s wrong with the machine.

It’s so fine. Why not ________ outdoors?