Nowadays children have easy _______ access to computers, so most of them spend lots of time playing computer games after _______ class.
| A．an; the | B．/; the | C．an; / | D．/; / |
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 |