–_______ is it from Leshan to Chengdu?–I’m not sure, but it takes about two hours to get there by bus. A. How soon B. How far C. How fast
We should eat _______ fruit and vegetables, but _______ meat. It is good for our health.
—Must we keep the window _______ all the time? —No, you don’t have to.
Smoking can help you relax. But _______ it is also bad for your health.
Some medicine is dangerous for children. Parents should put the medicine in places children can’t _______.
I can do many kinds of housework _______ cooking. I’ll learn it from my mother.