---So you made it?
---Yes. It was so dark that we managed to avoid ________.
| A．seeing | B．to see | C．being seen | D．to be seen |
When Tony came to himself, he found himselfto a big pole in a dark house.
| A．tying | B．tie | C．tied | D． to be tied |
For a long time they walked without sayingword. Jim was the first to breaksilence.
| A．the; a | B．a ; the | C．a ; 不填 | D．the; 不填 |
It’s based on the idea ______ all people are created equal, ______ is accepted by most people.
| A．that; which | B．which; which | C．which; when | D．that; that |
______ the ancient Egyptians built the pyramids puzzled people for centuries.
| A．Whether | B．What | C．How | D．Where |
______ I’m well again, I can go on with my work.
| A．Even if | B．As though | C．Ever after | D．Now that |