A news report is usually very short, （ ） when it is about something very important.

It was in New Zealand _____ Elizabeth first met Mr. Morris.

—Are you （ ）? —No, I’m serious.

The authorities wouldn’t （ ） us permission to fly all the way down to San Francisco.

She didn’t want to go to Africa: probably （ ） the weather is too hot.

The government cannot operate effectively （ ） it is free from such interference.

To learn Chinese cooking, you should practice _____.

The most important is not_____ you do, but_____ you do it.

No one should blind himself （ ） the well-known fact.

It is often _____ that human beings are naturally gifted to speak.

I’d rather you （ ） talk about this matter for the time being.

I cannot tell the_____difference between the twins.