When people move to another country, they often try _________ the custom of their native land.
| A．to keep on | B．to keep off | C．to keep up | D．to keep down |
More and more teaching _______ are being developed across the globe, which are sure to _______to make classroom teaching more lively and interesting.
| A．aids; help | B．assistance; help | C．aids; assist | D．helps; aid |
Everybody on the spot was deeply touched by the bravery of the young girl who took off her only blouse, _____ the burns and ______ the mouth-to-mouth method to save the man who was in a coma(昏迷) because of a bad electric shock.
| A．wrapped; took advantage of | B．dressed; applied |
| C．did up; used | D．packed up; made use of |
People like to live a life full of ________ and there are _______ of life styles available for people to choose in the modern world.
| A．a variety; a variety | B．varieties; varieties |
| C．a variety; varieties | D．variety; varieties |
In my dream I felt it hard to breath as if somebody ________ from the distance
| A．were choking | B．was choking me | C．had choked | D．would choke |
I have experienced quite a number of cases ______ I really wanted to help but could not find anything to _______.
| A．when; put on my hands | B．that; put my hands on |
| C．where; put my hands on | D．in that; put on my hands |