—Of course you ________. But don't stay out too late.
—Yes, you can.
—It _____ be David's because there is his name on it.
—You _______ drink sweet water and _______ eat sweet food.
—It _____ be cloudy or windy. Who knows!
—Sure, go ahead.
— We'd better take one. There ________ a shower, but I'm not quite sure.
—I'm sorry to hear that. I think you _______ lie down and rest.
—You ______ practice talking with your friends and classmates in English.
— Of course, you can. Here you are.
—I'm afraid you _______.