(届湖北省黄冈市高三年级3月测试英语试卷)According to the latest research, getting enough sleep is _____to maintaining good health and reducing stress.
—Have a nice weekend! — ________.
— ________ ? —I said, “Do you need any help?” —That’s very nice of you. I guess I could use some help.
—Would you mind if I use your telephone? — ________. Help yourself.
— ________. —Yes? —May I sit here?
—Hello! May I speak to Li Ming, please? — ________