She had no idea how it ______ that her husband met with trouble again.
| A．came up | B．came about | C．came out | D．came across |
None of us think it any good __________ a contract with such a dishonest boss.
| A．to sign | B．signing |
| C．signed | D．sign |
Two-thirds of the money __________ on tents for the homeless people in Wenchuan.
| A．have been spent | B．had spent |
| C．were spent | D．was spent |
There is a wide variety of new machines __________ in our company.
| A．designing | B．to design |
| C．to be designed | D．design |
The first place to visit for foreign friends is the Great Wall, which is the __________ of China and one of the seven wonders in the world.
| A．symbol | B．sign |
| C．signal | D．mark |
He walked __________ the bridge, pushed his way __________ the crowd of people and soon came to a hut.
| A．across; across | B．over; through |
| C．over; into | D．across; through |