Take the medicine and have a good sleep, but if the pain continues, ______ your doctor.
| A．confirm |
| B．consult |
| C．consider |
| D．convince |
.
It is none of your business ___ other people think about you. Believe yourself.
| A．how | B．what | C．which | D．when |
.
I like getting up very early in summer. The morning air is so good ___ .
| A．to be breathed | B．to breathe | C．breathing | D．being breathed |
.
___ is known to us all is that the 2010 World Expo will take place in Shanghai.
| A．It | B．What | C．As | D．Which |
.
We decided to turn to ___ can help us out.
| A．whoever | B．anyone | C．someone | D．whomever |
.
--- What do you think made Mary so upset?
--- __ her new bicycle.
| A．Losing | B．Lost | C．Because of losing | D．As she lost |