— Look! It _____________ again.—Yes. This is the third rain we ____________ this month.

Profits in his company went up by 25% last year,and _____ so far this year though the  financial situation is bad.

 Bob tried to sweet-talk his mother into letting him go out. But when he saw his sweet talk________， he lost his temper. 

Wherever I ____these days. I always carry my umbrella.

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.