CHOOSE THE BEST ANSWERS

EX1: CHOOSE THE BEST ANSWERS:
1. English is now the international language, that’s why _____ people speak it.
A. fewer and fewer
B. less and less
C. more and more
2. People have to work everyday. That’s why they have _____ time to cook.
A. fewer and fewer
B. less and less
C. more and more
3. The temperature is increasing because of the global warming, so it is getting ______.
A. hotter and hotter
B. less and less
C. more and more
4. There are twenty millions kangaroos in Australia but there are ____ koalas.
A. fewer and fewer
B. less and less
C. more and more
5. I’m going to have a test next week. So, I have to study _____.
A. lazier and lazier
B. harder and harder
C. less and less
Giúp mình với ạ