The old man turned his business over to his younger son, ________made his elder son discouraged.
| A．who | B．what |
| C．that | D．which |
Modern plastics can ______very high and very low temperatures.
| A．stand | B．seeking | C．finding | D．looking for |
The company is atarting a new advertising campaign to ______new custumers to its stores.
| A．join | B．attract | C．stick | D．transfer |
Before the war broke out, many people ______in safe places possessions they could not take with them.
| A．throw away | B．put away | C．gave away | D．carried away |
I will never forget the day _______ I came to my university and the day ______ I spent in a new city.
A． when; which |
B．which; when |
| C．what; that | D．on which; when |
Tony showed me his new cell phone, _______ was small but it could change colors in different weather.
| A．the screen of whom | B．whom the screen of |
| C．which the screen of | D．the screen of which |