Try to appreciate the world from another angle ________ you will find how wonderful life is.
| A．or | B．so |
| C．but | D．and |
The head office of the bank is in Beijing, but it has ______ all over the country.
| A．companies | B．branches |
| C．organizations | D．businesses |
No one can________how the election will turn out, as there are many unknown facts.
| A．protect | B．prepare | C．prevent | D．predict |
_________ energy are abused in our daily life, only causing waste.
| A．Plenty of | B．Quantities of |
| C．A good many | D．An amount of |
He being a child of ________ intelligence，expecting too much of him will make him nervous.
| A．average | B．slight | C．usual | D．common |
We should think hard ________ human activity has caused greenhouse effect.
| A．it is how that | B．how it is that |
| C．that how is it | D．how is it that |