We finished the rest of the dinner ______ silence after we heard what he told us．（ ）
A．onB．atC．inD．of
People in different countries behave______ when they eat dinner．（ ）
A．differenceB．different
C．differently
______ ， or you won't do well in your lessons．
OK．I will． （ ）
A．Don't work hardB．Work hard
C．Hard work
What's the time？ My watch is ______ ．
It's a quarter to ten．（ ）
A．oldB．newC．broken
Recently， school violence ______ _in some schools．
Luckily，our government has carried out some policies to stop it．（ ）
A．has appearedB．appeared
C．will appear
Hi， Bruce． My eraser is missing． May I use yours？
_______， here you are． I am not using it now．（ ）
A．Of course notB．No way
C．Go ahead