The main cause of HIV / AIDS infection in China is drug abuse, ______ is very serious in Yunnan.
| A．what | B．who | C．that | D．which |
Most of the housework was done by two members of the family, my sister and _______.
| A．I | B．me | C．myself | D．mine |
. The old couple tried to _____________some extra money for some purpose.
| A．set aside | B．set out | C．set back | D．set up |
__________you lose the paper document，sign in www. sohunt. com，__________you might download all you need．
| A．If；which | B．So long as；what | C．In case；where | D．Even if；as |
__________, the song is very popular.
| A．Sounded beautifully | B．Sounding beautifully |
C．Sounded beautiful | D．Sounding beautiful |
--- Have Max and Tina sold out all of the English dictionaries?
--- Yes, completely. __________ is left.
| A．None | B．Nothing | C．Go ahead | D．Neither |