Be careful! The slightest spark could _____ the fireworks.
| A．set about | B．set off | C．set out | D．set up |
In many people’s opinion ,that company ,though relatively small ,is pleasant ________.
| A．to deal with | B．dealing with | C．to be dealt with | D．dealt with |
—Didn’t you have a good time at the party ?
----Of course I did .As a matter of fact ,I had such fun that time seemed to ________so quickly .
| A．go by | B．go away | C．go out | D．go over |
In our class ,when the bell rang and the teacher closed his book ,it was a ________for everyone to stand up .
| A．signal | B．chance | C．mark | D．measure |
Maybe you have a goal to _______,a tricky question to answer or you just want to expand your mind!Here are some techniques to help .
| A．achieve | B．kick | C．catch | D．score |
The UN system is a major purchaser of goods and services ,_______over $4 billion a year .
| A．to total | B．totaling | C．totaled | D．total |