_______ was known to all, perseverance is a kind of quality and that’s ______ it takes to do anything well．

A．As; which                    B．As; what

C．It; which                                D．It; what

In many ways China’s rapid growth has been seen as a（n） _______ to improve the cooperation with other countries．

A．motivation          B．attempt

C．conception                                      D．realization

——We are leaving for America next Friday．

——So why not come to spend _______days with us?

A．these all last few                          B．these last few all

C．all these last few                            D．all last these few

——Do you think I could borrow your dictionary?

—— _________ ．

A．Yes, you may borrow            B．Yes, you could

C．Yes, go on                                  D．Yes, help yourself

_____ 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

The written record of our conversation doesn’t ______what was actually said．There are a lot of mistakes．

A．correspond with                            B．relate to

C．look into                                        D．compare with

It was _______back home after he finished the report．

A．not until midnight did he go                    B．until midnight that he didn’t go

C．not until midnight that he went                  D．until midnight when he went

——I really appreciate _______ time to relax．

——I don’t doubt _______ able to do so．

A．to have; you to be                          B．having; that you are

C．to have; you are                          D．having; that you being

Who would you rather _______ you repair your computer?

A．help          B．helped          C．helping         D．to help

Too high house prices can be brought under control, _______ the authorities introduce a series of regulatory policies．

A．even if         B．as if        C．so that        D．provided that