1 . Patience is a good virtue and that’s ______ it takes to do anything well.

A．where

B．which

C．what

D．how

2 . ---I called your office at about ten this morning, but there was no reply．
---Oh, that was probably __________ I was paying a visit to a friend in hospital．

A．when

B．why

C．what

D．that

3 . ---I like staying at home, watching TV or surfing the Internet all day on Sundays.
---That’s _______I don’t agree. I think you’d better go out for a walk.

A．where

B．how

C．when

D．what

4 . Is this______we met them last night?

A．where

B．place

C．place in which

D．place which

5 . “Every time you eat a sweet, drink green tea.” This is _____ my mother used to tell me.

A．what	B．how
C．that	D．whether

6 . Respect is not one-way traffic but mutual, and that might be          we fight back in the trade friction against the USA   .

A．where

B．because

C．why

D．how

7 . With wonderful views of mountains and beaches,Lovers Point Park is________many people get married.

A．where

B．what

C．which

D．how

8 . See the flags on top of the building? That was ______ we did this morning.

A．when

B．which

C．where

D．what

9 . Education is ______________ survives when knowledge taught in class has been forgotten.

A．how

B．who

C．what

D．which

10 . I always read newspapers backwards because the back pages are ______ the sport is.

A．that

B．where

C．how

D．what .