— You keep on coughing. What’s the matter? — Oh, I’ve got a cold. Nothing serious, ____.
---I’m going to Vietnam? ---How long ___ you___ in Vietnam?
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.