The speaker _____ several other subjects in the course of his talk but mostly kept himself to the main topic.
| A．held on | B．worked out | C．touched on | D．kept out of |
The doctor did __________ he can __________ the boy.
| A．everything what; save | B．everything that; save |
| C．all; to save | D．all; save |
I'll never forget the day __________ we worked together.
| A．when | B．which |
| C．that | D．where |
We have been caught __________ the rain and are really wet __________ the skin.
| A．in; to | B．by; on |
| C．in; through | D．with; over |
Tony was caught __________ at the meeting, which annoyed his boss.
| A．chatting | B．chat |
| C．chatted | D．to chat |
I hate going out alone, so I often ask my friend to __________ me.
| A．defend | B．protect |
| C．accompany | D．guard |