We should place emphasis on development and security, and develop nuclear energy on the base of security.
| A．equal | B．central |
| C．superior | D．maximum |
The family had lived ________ before, but the terrible traffic accident destroyed everything.
| A．in common | B．in danger | C．in place | D．in peace |
There are two buildings, _______ stands nearly a hundred feet high.
| A．the larger one | B．the larger of them | C．the larger one that | D．the larger of which |
The crowd went _______ when they saw the famous star. They were crazy!
| A．painful | B．sensitive | C．wild | D．confident |
Cell phones _______ by more and more teens and many new functions _______ to them nowadays.
| A．are using, have added | B．is used, are adding |
| C．are being used, have been added | D．being used, were added |
--- The couple _______ after 10 years’ marriage.
--- What a pity. Their child may suffer a lot from this.
| A．broke out | B．broke down | C．broke up | D．broke into |