—People in Southwest China have never experienced _____ natural disaster．
—Exactly．Let's do our bit to help them．
| A．a more severe | B．the most severe |
| C．the more severe | D．a most severe |
Jack felt unhappy as they all went outing ____ him.
| A．except | B．but | C．without | D．besides |
The police have ____ power to deal with such matters by ____ law.
| A．the; the | B．不填；不填 |
| C．不填；the | D．the；不填 |
That she hadn’t kept her ____ on her work resulted in the failure.
| A．head | B．heart | C．brain | D．mind |
The little girl couldn’t work the problem out. She wasn’t ____ clever.
| A．that | B．much | C．enough | D．too |
Listen! His family must be quarrelling, ____?
| A．mustn’t it | B．isn’t it |
| C．aren’t they | D．needn’t they |