用所给词的适当形式填空1.Every two hours I stop working ____(have) a bre

用所给词的适当形式填空
1.Every two hours I stop working ____(have) a break.
2.You really must stop ____(drink).
3.After doing his homework,he went on ____(read) the text.
4.Even while he was in hospital,he went on ____(study)English.
5.I watched him ____(get) off the bus,____(cross)the road,and ____(disappear) into a shop.
6.He was never heard ____(say)"Thank you" in his life.
7.He was too excited ____(sleep) when he learned that the Red Army had got to northern Shaanxi.