34. Is this the reason ______ at the meeting for his carelessness in his work?
| A．why he explained | B．he explained |
| C．what he explained | D．how he explained |
Tom asked the candy makers if they could make the chocolate easier ______ into small pieces.
| A．break | B．breaking |
| C．broken | D．to break |
This machine is very easy ________. Anybody can learn to use it in a few minutes.
| A．operating | B．to be operating |
| C．operated | D．to operate |
______an important role in a new movie, Andy has got a chance to become famous.
| A．Offer | B．Offering |
| C．Offered | D．To offer |
The old man sat in front of the television every evening, happy ________ anything that happened to be on.
| A．to watch | B．watching |
| C．watched | D．to have watched |
________ the course very difficult, she decided to move to a lower level.
| A．Find | B．Finding |
| C．To find | D．Found |