Most animals have little connection with animals of a different kind, ________ they hunt them for food．

A．if

B．while

C．unless

D．as

Let us suppose that you are in ________ position of ________ parent．Would you allow your child to do such a thing?

A．a; a

B．a; the

C．the; a

D．the; the

As the saying goes, ________．So take it easy and read the question slowly within then given time when you take the test．

A．truth is the daughter of time．

B．no man is wise at all time．

C．easier said than done．

D．more haste, less speed．

The employers often give the job to ________ they believe have work experience with a strong sense of duty．

A．whoever

B．those who

C．who

D．whomever

The Internet gives students the chance to have the materials they need ________ to them quickly and cheaply．

A．to deliver

B．delivered

C．delivering

D．deliver

An indoor man refers to a person who spends ________ time on indoor activities, such as playing computer games, sleeping and watching sports on television．

A．appropriate

B．specific

C．limited

D．considerable

It is known to us that it was such great efforts ________ all the Chinese athletes had made ________ helped them get 51 gold medals in the 2008 Beijing Olympic Games．

A．as, that

B．that, which

C．that, as

D．which, which

When they retire, many people over 60 prefer the houses in the country to spend their remaining years to ________ in a large city．

A．it

B．that

C．those

D．which

We have a high regard for Mr．Smith because he always tries to ________ his principles．

A．look forward to

B．live up to

C．keep up with

D．put up with

When he came back, he found the bag he had ________ over the seat was gone．

A．left hanging

B．left to hang

C．left hung

D．to leave hanging