--- Is it convenient to you if I call you up at 9 o’clock tomorrow morning? --- I’m afraid not. I _________ a speech then.
This is the third time I __________ the Great Wall.
The " magical apple",which we wish not to be the last one __________ us, has inspired the imagination and passion of millions of people.
So far there has been no reported case of the flu __________ among people.
It's natural that a man can hardly __________ a smile when he hears some good news.
You should try not to get __________ in the trouble between them.