Often he______ sit for hours doing nothing at all when he was in low spirits.

---Is there any breaking news ?--- How shameless ! The Japanese government ______nationalize our Diaoyu Islands!

—I want to know if I _______________smoke here. —No, you ______________. Could you see the sign “ No Smoking” there?

It is usually warm here in March, but it _____ be rather cold sometimes.

For everyone’s safety，we _______ a1ways remember the law against driving after drinking.