Because of the weather, we had to________ our sports meet.

[　　]

What you have heard doesn't________ the fact.

[　　]

Is this seat________ ?

[　　]

He ________ his parents, so they didn't like him.

[　　]

Have you read the_________report on the business?

[　　]

The students ________ laughing on hearing the joke.

[　　]

Her mother died last year. ________she has to stand on herself.

[　　]

A．At that time

B．Then

C．From then

D．Since then

I' m busy ________ and I can' t go with you .

[　　]

In 1960s, many rare animals were ________to China from foreign countries.

[　　]

Which do you think is ________, coffee of tea?

[　　]