What difficulty I had _____ the dirty walls! I had no choice but to have it ____ again.

______, Mandy. Everything will get better soon.

China is a country with ________resources.— That’s true. But China is also a country with the largest number of people.

ore and more tourists invading, lots of placesof interest require ______.

We should use _______ people and ______ money to do the work better.