_____we promise continuous increase in rural incomes _____improve the whole people's well-being．
| A．Only if; we can | B．If only; can we | C．Only if; can we | D．Unless; we can |
______ the early train, you’ll have to get up early and rush in a taxi.
| A．caught | B．catching |
| C．catch | D．to catch |
It has been cold and windy recently. If only it ______sunny and clear now!
| A．is | B．should be |
| C．were | D．being |
Madame Curie(居里夫人) contributed all his life ______ radium(镭) so that she has earned respect from people all over the world.
| A．to study | B．to studying |
| C．study | D．studied |
______the urgent problem caused by wars and conflicts, the UN helps countries with other problems.
| A．Except | B．Apart from |
| C．Apart for | D．Except for |
It’s common that the freshmen cannot ______ the new environment in the first period of their life in the university.
| A．adjust to | B．used to |
| C．accustomed to | D．be adjust to |