-- What’s your plan for this winter vacation?
-- I’ll take an express train to Dalian for my holiday ______ school ends．
| A．while | B．until | C．immediately | D．unless |
in writing a lecture speech on AIDS prevention , she has no time to attend to her sick mother .
| A．Occupied | B．Occupying | C．To be absorbed | D．Absorbing |
you eat the correct foods be able to keep fit and stay healthy .
| A．Only if , will you | B．Only if , you will |
| C．If only , will you | D．Unless , you will |
Mr Song said that global warming was largely for the country’s frequent extreme weather in 2011 .
| A．blaming | B．to be blamed | C．being blamed | D．to blame |
Mrs Brown gave us several cases language travel students were likely to get enough language practice .
| A．where | B．which | C．as | D．what |
It’s important for the figures regularly .
| A．to be updated | B．to have been updated |
| C．to update | D．to have updated |