We’d like to recommend Daniel ____ our monitor _____ his hard work.
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.
I have some problems with my health. Can you give me some _______?
Some medicine is dangerous for children. Parents should put the medicine in places children can’t _______.