—Shall we invite Tim? —No， it’s too late to invite any more people. _____， he hates parties， you know.

The first textbook（ ） for teaching English as a foreign language came out in the 16th century.

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

She is very （ ） to his ugly appearance.

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

Our visitors decided to stay in our city for _____ two days as they wanted to have a look around.

We were disappointed yesterday because it wasn’t such a good dinner （ ） she had promised us．

After （ ） the numbers in every possible combination, we finally hit on a solution.

（ ） we have all the materials ready, we should begin the new task at once.

I don’t know whether he is still （ ） in collecting coins. He used to be, but that was several years ago.

Take your time and think the matter over before you _____ a conclusion.

Whenever we planned our vacations， mother could always offer some _____ suggestions.