Food safety is important. Rules to stop people from food pollution.
—What can I do for you?—Can you give me __________ to read? __________ is OK.
—When shall we go on our school trip?—__________.
—Where are you going to stay when you get to Shanghai?—I may live _________in a hotel ________in a friend’s house. It doesn’t matter.
—What can I do for you? —__________________.
—I don’t know ___________or not.—Neither do I. You may ask his teacher.