________ you understand this rule, you’ll have no further difficulty.
| A．Once | B．Unless | C．As | D．Until |
—Do you know when Britain________war on Germany during the Second World War?
—In 1993，I suppose.
| A．announced | B．declared |
| C．fought | D．attended |
Parents often have their children_____ little housework so that they can have more time______.
| A．doing; studying | B．done; studied |
| C．to do; to study | D．do; to study |
If you go to the souvenir shops in places of interest, sometimes you can’t help ________ into buying something fake.
| A．to persuade | B．persuading |
| C．be persuaded | D．being persuaded |
A live program on TV is calling on people to ______ money or some other things to the people who have suffered from the flood in Henan Province.
| A．donate | B．lend | C．put | D．pay |
It’ s said that they will______ building a big mall here.
| A．set out | B．set about |
| C．set aside | D．set up |