Are you sure Mike will help us if we are in trouble— _____ He is a reliable friend

It is widely ______that smoking can cause cancer.

People from Canada ______________ English and French.

Wang Gang shows no interest in all the subjects, and goes to Bingyu Internet Bar to surf the Internet every night!—Oh, that’s too bad. He is______ to fail in the final exam.

He was stopped by the rain thetrees.