Most computer users think it necessary for their software ________ regularly.
| A.to up date | B.to be updated |
| C.to have been up dated | D.to have updated |
Was it from Mary, _______ was working at a department store, ______ you learned the news?
| A.who; who | B.that; which | C.who; that | D.who; which |
The white-flag dolphin, ______ rare Chinese mammal, is in ___ dangerous state of dying out.
| A.the; / | B.the ; the | C.a ; a | D.a ; / |
It is believed that the prices of houses will be decreased by ______ 5%.
| A.any other | B.the other | C.another | D.other |
I enjoy my job in research because I have to______all the latest developments.
| A.keep in touch with | B.keep pace with |
| C.keep away from | D.keep down with |
--- Have you gone over what the teacher taught in class?
--- Not yet.
--- Better remember: ________.
| A.Don’t count your chickens before they’re hatched |
| B.A bird in hand is worth two in the bush |
| C.Strike while the iron is hot |
| D.All roads lead to Rome |