(2013·重庆模拟)—When did your brother begin to show his interest in medicine?
—It was a Saturday　　　he noticed his classmate experimenting on a frog in the lab.

A．that	B．what
C．when	D．which

More public kindergartens　　　preschool kids can spend their fun-filled childhood will be built this year.

A．to which	B．with whom
C．in which	D．from where

The doctor　　　the farmer sent his son is well-known in the field.

A．by whom	B．at whom
C．to whom	D．for whom

(2013·厦门模拟)“Youth”is regarded by many people as a time in their life
　　　fun, passion, and imagination seem limitless.

A．that

B．which

C．when

D．where

My daughter, 　　　job requires her to do a lot of travelling, is always away from home.

A．which

B．that

C．whose

D．where

(2013·宿州模拟)QQ, 　　　you can chat with your friends, makes communication easy.

A．as

B．which

C．that

D．where

Some young men want to find true love on the Internet, 　　　I think is very funny.

A．that

B．which

C．what

D．who

Mo Yan’s novel, Red Sorghum, 　　　was made into a film, won the Golden Bear at the Berlin Film Festival in 1988.

A．that

B．which

C．what

D．it

Is there a bookstore around　　　we can buy an English-Chinese dictionary?

A．which

B．that

C．where

D．there

He had a lot of friends, but none of　　　could lend him any money.

A．whom

B．them

C．which

D．who