The fire is dangerous. We should _____________ as quickly as possible.
—____ do you exercise?—Four times a week
—How was the weather yesterday?—It was terrible. It rained ____. People could ____go out .
Twenty-five percent of the water in this river _____ dirty in the past.A. is B are C. was D. were
Eating a lot of vegetables __________ good for our ________..
I don’t feel like _____ apples but I would like _______ some bananas.A. eating; having B.to eat; to haveC eating; to have D to eat; having