Food safety is important. Rules ______ to stop people from food pollution.
—You should spend as much time as you can_____the piano.
—Do you know ______ I could pass the exam? —Sorry, I‘ve no idea.
—Who’s the most modest boy in your class?—Daniel.He never___ in public.
—The holiday was really interesting exciting! [—Yes, ______the long journey on the road was boring.
—______Mary her brother like eating Chinese food.They think it is delicious.