Nowadays, an increasing number of museums are open to visitors free. However, free ______ might lead to some social problems as well.
| A．accommodation | B．attraction |
| C．admission | D．adjustment |
It is becoming more and more difficult to_______the problems of traffic in some big cities of our country.
| A．deal with | B．set up | C．put away | D．break down |
She thought_______impossible to finish so much work in a day.
| A．this | B．that | C．its | D．it |
．—I’ve told her many times, and she still forgot about it!
—I understand. It’s true that she_______be very forgetful sometimes.
| A．can | B．would | C．should | D．must |
My mother made a promise_______I passed the examination, she would buy me an MP4.
| A．that | B．that if | C．if that | D．whether |
_______in the city for thirty years, the old man moved back to the countryside.
| A．Having worked | B．Working | C．To have worked | D．To work |