题目内容
The doctor said I should have ______ X-ray check (X 光透视).
When ______ people don't feel well they had better go to hospital.
填入必要的冠词
I can see _____ box on the table. But I can't see what's in ____ box.
Can you see anythings on _______ hill? It looks like ______ car, but it isn't.