Letterboxes are mu
ch more _______ in the UK than in the US, where most people have a mailbox instead.
| A．common | B．ordinary | C．normal | D．usual |
The disaster is so serious that the people in that area really have a lot of difficulty ______ with their lives.
| A．with going | B．to go on | C．going on | D．in going |
Having a walk after supper is certainly good for the old people, but it remains ______ whether they will enjoy it.
| A．to see | B．to be seen | C．seeing | D．seen |
If better use is _______ your spare time, you will have a more brilliant future.
| A．made of | B．spent | C．used for | D．taken |
The fire made _____ difficult to rescue the people trapped under the ruins in the earthquake.
| A．/ | B．this | C．that | D．it |
The world will be different, and we will have to be prepared to ________ the change.
| A．adapt to | B．adopt to | C．apply to | D．devote to |