Fever is a ________of many illnesses. So I suggest you take it seriously and see a doctor as soon as possible.
This new type ______ camera is ______ high quality and is not expensive.
---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.