________ seems to be a strong competition in China for senior high students to enter college or university.
I tried to persuade him not to keep in touch with her, but what I said was always ______.
The Great Wall is ______ tourist attraction that millions of people pour in every year.
This is the reason ______he didn't come to the meeting.
---Alice, why aren’t you at work today?---I ________a day off.
Many of them turned a deaf ear to his advice, _______ they knew it to be valuable.