I think _____necessary_______ to take more exercise.

We shouldn’t watch ___________ TV because it’s bad for our _____________.

If he _________ more time practicing speaking English before, he ____ able to speak it much better now.

Iwill go to Qingdao for a visit with my family during the long holiday of May. — .

The newly-married couple quarreled so muchthat they reached the point _______ they had to separate from each other.