She_____ have gone to Shanghai for a visit. She has been discussing the papers with me for a whole day.

Mom, shall we go hiking tomorrow—Oh, dear. That depends on it is fine tomorrow.

If I ruled the world, I would _______ the world ______ everything that is bad.

Do you like fast food— No, I don’t. I _______ go to McDonald.

17．－I didn’t pass the English exam.－Work hard, _______you’ll succeed