21、Mrs. Brown was very disappointed to see that the washing machine she had _____ went wrong again．

A．it          B．it repaired           C．repaired            D．to be repaired

20、_____ in a poor family made Jack very hardworking when he was still young．

A．Brought up                                                B．Bringing up

C．Having brought up                              D．Being brought up

19、___ people to find jobs, but also medical treatment will be provided for people who need it．

A．Not just will help be given to                      B．Only help will be given to

C．Not only will help give                           D．Help will be given only to

18、_____ from other continents for millions of years, Australia has many plants and animals not found in any other country in the world．

A．Being separated                                  B．Having separated

C．Having been separated                            D．To be separated

17、—English has a large vocabulary, hasn’t it?

—Yes．_____ more words and expressions and you will find it easier to read and communicate．

A．Known         B．Knowing          C．To know        D．Know

16、This is a very interesting book．I’ll buy it, _____．

A．how much may it cost                          B．no matter how it may cost

C．however much it may cost                       D．whatever may it cost

15、Faced with a bill for $10,000, _____．

A．Smith has taken an extra job                      B．the boss has given Smith an extra job

C．an extra job has been taken                        D．an extra job has been given to Smith

14、—Have you been wasting time on computer games again?

—_____．I’ve been studying a lot and I need a break．

A．No way        B．Not really        C．I don’t agree         D．I couldn’t agree more

13、She was so angry and spoke so fast that none of us understood _____ she said meant．

A．that         B．what            C．that that               D．what what