May I see you at 4 o’clock this afternoon?—— I’m afraid not, I a charity meeting then

Everyone knows it is not right for Taiwan to ___________ from China.

Although working mothers are very busy , they still ______ a lot of time to their children.

The students shouted with ______ when they heard the _______ news.

I would appreciate ________ if you could teach me howto use the computer.