1 . When asked to explain       he did to make his students so fascinated with his lessons the teacher paused and thought deeply.

A．what it was that	B．that what it was
C．what was it that	D．that what was it

2 . I don’t think Mr. Watson will come here again today. Please give the ticket to _____ comes here first.

A．who

B．whoever

C．whomever

D．no matter who

3 . The question came up at the meeting             we had enough money for our research.

A．that

B．what

C．which

D．whether

4 . This is one of the happiest days ____ spent in my life.

A．that have ever been	B．that has never been
C．which was ever	D．that had been

5 . ---I like Tom very much_________he sometimes gives me some trouble.
---Oh, it’s unbelievabae.

A．even if

B．as if

C．even now

D．as though

6 . ________ is often the case with elder people, my grandma talked about my new hairstyle for at least 50 minutes nonstop.

A．That

B．Which

C．As

D．It

7 . The house I grew up ________ has been taken down and replaced by an office building.

A．in it

B．in

C．in that

D．in which

8 . Is this the museum _____ you visited the other day?

A．that	B．where
C．in which	D．the one

9 . _________ environmental damage is done, it takes many years for the ecosystem to recover.

A．Even if

B．If only

C．While

D．Once

10 . The Science Museum, ________ we visited during a recent trip to Britain, is one of London’s tourist attractions.

A．which

B．what

C．that

D．where