We always keep       spare paper, in case we run out.

A．too much                B．a number of

C．plenty of                  D．a good many

 If you can’t decide which of the two books to borrow, why don’t you take      ? I won’t read them this week.

A．all                        B．any

C．either                     D．both

 I was given three books on cooking, the first       I really enjoyed.

A．of that                     B．of which

C．that                       D．which

 Progress so far has been very good.      , we are sure that the project will be completed on time.

A．However                   B．Otherwise

C．Therefore                   D．Besides

 I would like a job which pays more, but       I enjoy the work I’m doing at the moment.

A．in other words            B．on the other hand

C．for one thing             D．as a matter of fact

 Letterboxes are much more       in the UK than in the US, where most people have a mailbox instead.

A．common               B．normal

C．ordinary             D．usual

 by keeping down costs will Power Data hold its advantage over other companies.

A．Only                  B．Just

C．Still                   D．Yet

 We’re trying to ring you back, Bryan, but we think we        your number incorrectly.

A．looked up                 B．took down

C．worked out                D．brought about

 The company had about 20 notebook computers but only one-third       used regularly. Now we have 60 working all day long.

A．is                       B．are

C．was                     D．were

 This machine      . It hasn’t worked for years.

A．didn’t work               B．wasn’t working

C．doesn’t work              D．isn’t working