There are _________ ten rooms in his house.

—Which kind of juice would you prefer, pineapple or orange? —_____. I must say I’ve a strong preference for tea. 

The wider China opens its door to the outside world, the more people find _____important and necessary to study foreign languages.

---Did you reach the top of the mountain?--- Yes. Even I myself didn’t believe I could make _____.

His camera is more expensive than ___.