________. —OK, thanks anyway.

The country has already sent up an unmanned spacecraft to the moon.—Yes. Chang’e I to the moon last October.

________ do you surf the Internet?—Once a week, at least.[ ]

Tom, what classes do you have every day?—Well, Mom, we have English, math, Chinese and some ______ classes.

She ______buy her clothes through the Internet than in the supermarket.