All children are required to ______ school.

___________ did you see in the picture—Nothing.

China has promised to revise its existing regulations and __________ new policies according to WTO requirements.

Mum, would you please buy me a MP5 player?– If you can help do the dishes the whole vacation，you________have one as a reward·

There was an immediate _____ when the alarm sounded. People fled in different directions. [ ]