--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 |
It is generally believed that Watson and Crick’s discovery about DNA was ____ beginning of _____ enormous advances in _____ field of genetics.
| A．the, the, the | B．/, /, the |
| C．the, /, the | D．the, the, a |
New York State has passed a law requiring that all legal contracts _____ in simple, understandable English.
| A．be written | B．written |
| C．to be written | D．write |
When we first met Eliza, she had no manners, but said ______ her head, without thinking.
| A．no matter what entered | B．anything came into |
| C．whatever entered | D．what there was came into |
Some schools, including us, will have to make ______ in agreement with the national soccer reform.
| A．attachments | B．adjustments |
| C．comments | D．achievements |
An increased concentration of carbon dioxide and certain other gases in the Earth’s atmosphere ______ global warming.
| A．contributing to | B．contribute to |
| C．contributes to | D．to contribute to |