Now a lot of new technology can _____ problems in industry.
| A．be applied to solve | B．be applied to solving |
| C．apply to solve | D．apply to solving |
She _______ an interest in collection stamps from childhood.
| A．left | B．earned | C．developed | D．loaded |
From my point of view, the best way _______ the problem is not to send soldiers to that area but to have a peaceful talk.
| A．to solving | B．solving | C．solved | D．to solve |
If you want to find some information about a foreign country, you can ask your friends _______ have been to that country.
| A．whom | B．which | C．who | D．whose |
___________ returning from abroad, he set about setting up a club for young climbers.
| A．Upon | B．At | C．In | D．During |
In his twenties, he took part in sports and gained a great deal of __________.
| A．ability | B．study | C．experience | D．knowledge |