----_______ do you brush your teeth?
----- Twice a day.
A .How much B. How often C. How long
—Doctor, I’ve got a headache.
--Don’t worry, Just take some medicine, you’ll be OK again.
| A．and | B．but | C．so | D．or |
Mr. Wu teaches English. We all like .
| A．our; him | B．us, him |
| C．us; her | D．our; her |
“Running Man” is very popular TV program in China. One of most famous actresses, Angelababy, always appears in it.
| A．a; / | B．the, the | C．a ; the | D．the ; / |
—My robot has caught a virus and it has gone wrong.
— .You’d better have it checked.
| A．Don’t mention it | B．No problem |
| C．I’m sorry to hear that | D．That’s OK |
—Could you please tell me ?
—By taking an online tour.
| A．in which way can I improve my writing skills |
| B．how I can travel around the world in eight hours |
| C．what places of interest we can visit at a time |
| D．how should I get some more useful information |