According to the traffic rules, you _________ wear the safe belt while you are driving.
| A．can | B．need | C．may | D．shall |
The farmers were busy getting in the rice in the field, only ______ for a drink once in a while.
| A．to stop | B．stopping | C．to have stopped | D．having stopped |
Pierre Curie ______ his own research work and joined Madam Curie in the search for radium.
| A．turned down | B．gave off | C．set aside | D．took over |
The young man is ______ Edison in our factory and he has made ______ number of important inventions over the years.
| A．an; the | B．an; a | C．\; the | D．\; a |
---Do you have enough to ______all your daily expenses?
---Oh yes, enough and to spare.
| A．spend | B．cover | C．fill | D．offer |
We should never ever forget about the war in Iraq and the sufferings(苦难) ______caused to the people there.
| A．it | B．which | C．that | D．what |