1 . _____ some people regard as a drawback is seen as a plus by many others.

A．Whether	B．What
C．That	D．How

2 . It has been proved______eating vegetables in childhood helps to protect you against serious illnesses in later life.

A．if

B．because

C．when

D．that

3 . It is not immediately clear ______ the financial crisis will soon be over.

A．since	B．what
C．when	D．whether

4 . It is obvious to the students ______ they should get well prepared for their future.

A．as

B．which

C．whether

D．that

5 . ______ seems strange to us is _______ the troublesome boy is getting along well with his teachers now.

A．It; that

B．What; how

C．It; how

D．What; that

6 . Sometimes, _______ we show our gratitude for a person is reflected in the kind of food we serve him or her.

A．when	B．whether
C．why	D．how

7 . ________ is going to do the job will be decided by the Party committee.

A．That

B．Why

C．How

D．Who

8 . It suddenly occurred to him ____ he had left his keys in the office．

A．that	B．what
C．where	D．which

9 . -- What made Jack so upset?     --- ______ his new MP4.

A．That he lost.	B．He lost
C．Because of having lost	D．What he lost

10 . Do you believe ______________ true ______________ you find high wages, you generally find high prices?

A．that；that	B．that；that what
C．it；when	D．it；that where