—What are ____ ? —____ are buses.
| A．these; Those | B．these: they |
| C．those; these | D．those; They |
—Tom has never visited the Great Hall of the People, _____?
—He went there last month．
| A．hasn’t he; No, he hasn’t | B．has Tom; Yes, he has |
| C．hasn’t Tom; No, he hasn’t | D．has he; Yes, he has |
CCTV news reported Chairman Xi Jinping visited Russia _________ the afternoon ______ March22nd, 2013．
| A．in ; in | B．in ; of | C．on ; in | D．on ; of |
This TV play is very interesting．Why _________ down and watch it?
| A．don’t sit | B．not sit | C．not to sit | D．not sitting |
—May I speak to the headmaster?
—He’s not here．He _______ Beijing．Can I take a message?
| A．has gone to | B．has been to | C．has gone | D．has been |
Ann is a careful girl．She always goes over her exercises to ____ here are no mistakes．
| A．look for | B．make sure | C．find out | D．think about |