The captain told the sailors to their sprits when they were on the point of giving up.
| A．keep up | B．pick up | C．take on | D．go on |
--What’s the problem with the car? Have you checked the engine?
--Yes, I did twice; there _________ be anything wrong with the engine.
| A．won’t | B．needn’t |
| C．mustn’t | D．shouldn’t |
The fans were told that all the tickets had been sold out, ________they had waited outside the booking office for so long.
| A．as | B．since |
| C．unless | D．though |
______ 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 |