—Is the ruler on the sofa?— .A、Yes, I am B、No, it isn’t C、No, they arem’t
I want to buy a bike. At last I decided ____ a black one.
Where____ he ____ for his next vacation?
I have a sore back. You should _____ down and rest.
It’s a good habit ____ breakfast every day.
Tony ____ before exams.