―Would you like to visit the new museum with us this Sunday?―________, but I will have to work then.
—How long has Eliza been a nurse? —___________.
—Have you ___________ been to Beijing? —Yes. But only once.
I think Internet is ___________ than books.
Simon’s shirt is the same size ___________ mine.
You ___________ follow the traffic rules. Otherwise, it is dangerous for you.