She has       been to Shanghai, has she?

—My cousin often has nothing for breakfast, _____ she?— _____. Because she often gets up late and is afraid of being late for school.

—You haven’t been to the Water Cube，have you?—          ． How I wish to go there!

— There is little water left in the bottle, ______? — No, we need to buy some more before we run out of it.

—What color is your bag?—____