The tanker，which was full of petrol，________and gave off heavy and dark flames the moment a truck knocked into it.
| A．blew up | B．put up | C．turned up | D．brought up |
I don't know this part of the countryside well, so we’d better ___ the path.
| A．insist | B．stick to | C．set off | D．keep on |
The news soon ___ its way throughout the country.
| A．noticed | B．found | C．watched | D．set |
Now even the middle school students go abroad for study ___.
| A．at their own expense | B．by expense their own | C．with their own’s expense | D．on expense of their own’s |
This dictionary is very useful. It has ___ many problems about works and idioms for me.
| A．looked up | B．kept up | C．taken up | D．cleared up |
It's foolish to go to the ___ of taking music lessons if you never practise.
| A．expense | B．sense | C．pay | D．money |