.
_____ you have a complaint to make, do something about it right away. The longer you wait, the harder it will be to get your complaint resolved.
| A．If | B．Unless | C．Though | D．Since |
Mrs．Black had such a wonderful time she visited her friend in London last year
| A．when | B．that | C．which | D．as |
In English, if new words continue to be used for at least five years they generally______ the Oxford English Dictionary．
| A．come up with | B．make up for |
| C．look up to | D．end up in |
The school advisers help you talk through your problems but they don’t give you any direct ______.
| A．solution | B．target | C．measure | D．function |
The world will live happier lives if people have ____ better understanding of _____ idea of harmonious globe.
| A．the; an | B．/; the | C．a; the | D．a; an |
If better use is _______ your free time, you’ll make greater progress in that.
| A．spent | B．taken | C．made of | D．used of |