—What do you usually do in the morning?—I often practice English.
— I’m not sure you eat vegetables every day. — I know they are good for health, so I eat them every day.
The railway______ Qinghai to Tibet is the longest plateau (高原) railway in the world.
_____ of the twins has been there before.
You can _______the cake _______ten pieces.
Tom is in a bad mood. Let’s .