___ was invented by Grain Bell..
| A．Telephone | B．The telephone | C．Telephones | D．The telephones |
The two things ______ the couple felt most proud were their small garden and their sports car.
| A．about which | B．of which |
| C．for which | D．in which |
It was his courage, not his skill, ______ really struck me most.
| A．when | B．where | C．which | D．that |
A smile may show love or politeness. It can also hide true feelings so it often causes ______across cultures.
| A．freedom | B．confusion | C．memory | D．celebration |
The teenager sat there for hours ______ end in silence after he was put ______ prison.
| A．on; into | B．in; into | C．on; to | D．in; to |
—Tom is said ______ his composition.
—If so, let’s not ______ him.
| A．writing; disturb | B．to be writing; to disturb |
| C．to be writing; disturb | D．to have written; to disturb |