单项选择题
What a lovely day! Why not go swimming this afternoon? —（）
A.Because it’s raining. B.Have a good time! C.Why do you go swimming? D.It sounds nice
单项选择题 --What about going for a walk? ---（）
单项选择题 Why（）the old block of flats（）demolished next month?
单项选择题 The sun heats the earth,（）is very important to living things.
