28．Kids are often told to remain ______ they are and wait for their parents if they get lost．
| A．what | B．where | C．how | D．Who |
Jerry rushed home ____ he heard the news, only ___ that his wife was gone.
| A．as soon as, finding | B．immediately, to find |
| C．the moment, fine | D．when, found |
The computer system ____ suddenly while he was searching for information on the Internet.
| A．broke out | B．broke down | C．broke up | D．broke in |
Then came the disappointing news _____ Brazil was beaten by German in the 2010 World Cup, ______ was bound to cast down the Brazilian fans.
| A．that; what | B．which; which | C．which; what | D．that; which |
American Indians ________ about five percent of the U.S. population .
| A．fill up | B．bring up | C．make up | D．set up |
When I get puzzled about some difficult problems, my teacher always encourages me and says, “Take it _________ .”
| A．for granted | B．serious | C．simple | D．easy |