— How often do you go shopping online?— Only sometimes, not ______.
—_________T-shirt do you like better, the red one or the blue one? —I prefer the red one.
Your English teacher has never lost his temper, _________he?
You had better_________because you have to drive back home.
As we all know, it’s not polite to keep others_________for a long time.
An official_________by some reporters on food problems in Shanghai yesterday.