—I’m sorry. That wasn’t of much help.
—Oh, ______. As a matter of fact, it was most helpful.
| A．sure it was | B．it doesn’t matter |
| C．of course not | D．thanks anyway |
The changes in our chemistry lab will cost quite a lot, ____ they will save us money in the long run.
| A．or | B．since | C．for | D．but |
Living things are dying out quickly. Let’s ask ____ destroying them in the past years.
| A．what part people have been playing |
| B．people have played in |
| C．what part people have played in |
| D．people have been playing what part |
____ that I’m feeling all right, my brain is also beginning to work much better.
| A．For | B．Now | C．Since | D．Despite |
The changes in our chemistry lab will cost quite a lot, ____ they will save us money in the long run.
| A．or | B．since | C．for | D．but |
The workers were making so much noise in the workshop, and the boss hurriedly went to see ____.
| A．what the matter was | B．what was the wrong |
| C．what wrong was | D．what was the matter |