Most Americans would prefer to keep their problems ________ themselves, and solve their problems ________ themselves.
| A．to; by | B．by; to |
| C．for; to | D．in; on |
The twin towers fell down. It looked_____ a huge piece of chocolate had been melted down(溶化).
| A．as though | B．even though | C．in case | D．if |
The money is to be used________the poor.
| A．for the benefit to | B．for the benefit of |
| C．for benefit of | D．to the benefit of |
The traditional view is _______ we sleep because our brain is “programmed” to make us do so.
| A．when | B．why | C．whether | D．that |
_______ the influence of computers, nowhere have we seen the results more clearly than in the US.
| A．Besides | B．With | C．Because of | D．As for |
He suggested the problem worth paying attention_____ at the meeting.
| A．to be discussed | B．to been discussed |
| C．being discussed | D．be discussed |