It doesn’t look like rain, so you bringyour umbrella with you. A．shouldn’t

ne knows that _____ is dangerous to play with fire, but _____ is difficult is to prevent children from playing with fire.

You won’t lose weight unless you take exercise every day .—-OK,I’ll try my best.

_______to you _______your great success!—Thank you very much.

If you have any trouble, please ____________ to tell us.—I will. Thanks very much.