Encouraged by my science teacher, I set about my studies on developing my product, _____I hope I will succeed in applying for a patent（专利）.
| A．with whom | B．to whom | C．through which | D．for which |
.
.Fire safety in houses, _____ most deaths occur, is difficult to achieve.
| A．where | B．which | C．to which | D．from which |
.
No matter how great the difficulty is, it can’t _____the experts from finishing the project on time.
| A．hold back | B．hold up | C．hold out | D．hold on |
.
Whenever you enter the reading room, you can find all the students _____ at their desks, with their attention _____ on the books, except Tom.
| A．sitting, fixing | B．to sit, fixed | C．seating, fixing | D．seated, fixed |
.
The little boy was found_________in his room the next day.
| A．dead | B．die | C．death | D．died |
.
—What do you think of seven o’clock outside the cinema this evening?
—That _______ me fine.
| A．fits | B．meets | C．satisfies | D．suits |