When did the plane ? Half an hour ago .
A. arrive B. get C. arrive at D. reach
We should always follow traffic rules.
A. safe B. safely C. safety D. save
When I looked out of window , I saw that people away the snow .
A. tried sweeping B. were trying sweeping C. tried sweep D. were trying to sweep
There’s lots of water on the floor , I nearly .
A. fell over B. fell behind C. fell off D. fell from
Usually when people are in danger , they all run away .
A. wildly B. happily C. slowly D. easily
The children are not to live alone .
A. enough young B. young enough C. old enough D. enough old
