It is generally considered unwise to give a child ________ he or she wants.

A．however  B．whatever  C．whichever  D．whenever

________ made the school proud was ________ more than 90% of the students had been admitted to key universities.

A．What；because  B．What；that

C．That；what  D．That；because

—You can't imagine ________ fantastic fun online chatting is.

—Really？But it may cause a lot of trouble sometimes.

A．what   B．how   C．why   D．so

It is pretty well understood ________ controls the flow of carbon dioxide in and out the atmosphere today.

A． that  B．when  C．what  D．how

A plan has been put forward ________ more graduates should go to work in the country.

A．when   B．that  C．whether  D．how

After three hours'climbing，they reached ________ they thought was the place they'd been dreaming of.

A．what  B．which  C．where  D．that

Engines are to machines ________ hearts are to animals.

A．as  B．that  C．what  D．which

The last time we had great fun was ________ we were visiting the Water Park.

A．where  B．how  C．when  D．why

(2010·江苏)—I prefer shutting myself in and listening to music all day on Sundays.

—That's ________ I don't agree.You should have a more active life.

A．where  B．how  C．when  D．what

Part of the reason Charles Dickens loved his own novel，David Copperfield，was ________ it was rather closely modeled on his own life.(2010·北京)

A．what  B．that  C．why  D．whether