-David has made great progress recently.-______, and ______.
There is _______milk in the bottle, let’s go to the supermarket to buy some.
ⅠHow often do you play computers?Must I hand my homework in tomorrow?Can I use your red pen?How long do you exercise every day?Why not drink some hot water?Ⅱ
E. Certainly. Go ahead.
You _______ wash your hands before meals. It is good for your health.
You _______ walk across the road. It’s dangerous.
You’d better _______ too much meat. You are much too fat.