Lei Feng is always ready to help others when they are in trouble and he never _______ their request.
| A．turns up | B．turns over | C．turns in | D．turns down |
Despite the fact that Lucy is a lovely girl, she _____ be extremely difficult to work with sometimes.
| A．must | B．should | C．would | D．can |
Environmental groups intend to _____ the pressure until the government changes the law.
| A．keep up | B．make up | C．pick up | D．bring up |
---Could you please tell us _____ the famous singer will come for his performance?
---Probably in weeks, and the tickets won’t be expensive.
| A．how often | B．how long | C．how soon | D．how much |
The number of traffic accidents caused by drinking is _____ as the number of those caused by non-drinking driving.
| A．twice as many | B．many as twice | C．as twice large | D．twice as large |
I would have called you up for help had it been possible, but I _____ your phone number then.
| A．hadn’t had | B．didn’t have | C．shouldn’t have | D．couldn’t have |