Betty usually gets up _____six every morning.
He’s read this book before, _____?
Compared with last year, our pay _____ about ¥500 every month.
—Where are Maria and Kangkang? —They _____ England.
—David has made great progress recently. —_____, and _____.
—Is it interesting to play computer games? —Yes, _____ you are interested in playing computer games, you’ll have trouble giving it up.