-We have 7 people here , but the car only has 5 seats.-I think we need to solve this __________now.
—Does your father still smoke?—No, he has succeeded in_____smoking for three years.
—How long have you been in Beijing?—_____
—How much is the white coat?—It’s_____yuan.
Our government should_____ measures to control the population.
The _____ population has caused many serious problems.