Life is like riding a bicycle. ______your balance, you must keep moving.
| A．Keeping | B．To keep |
| C．Keep | D．Being kept |
According _____ a recent survey, children spent upto 25 hours a week _____ TV.
| A．to；to watch | B．to；watching | C．as；to watch | D．as；watching |
Listen ！ Do you hear someone _____ for help?
| A．calling | B．call | C．to call | D．called |
Anyone who wishes todevote himself to _____ thepeople should _____.
| A．serve ； be praised |
| B．serving； praise |
| C．servingfor；be praised |
| D．serving；bepraised |
Despite such a big difference in _____ towards what one eats, there is no doubt that people in the west regard the Chinese food as some-thing special.
| A．point | B．idea | C．attitude | D．sight |
It was _____ thatthe fans waited outside the gym for three hours just to have a look at the sports star.
| A．unfortunate |
| B．unbelievable |
| C．unacceptable |
| D．unreasonable |