Half the world's population __________ water shortages within 15 years according to the World Bank, just one of many recent alarming reports on the world's fresh water supply.
The newly-published book, which refers basic English grammar, is only for beginners.
Only when the war was over .
I’m sure he will finish the report .
He came all the way to China for promoting friendship for making money.
He didn’t tell the truth. That reason could not his absence from school.