Our school plans a wide ______ of outings, such as performances, picnics, swimming and museum trips．
A．lot B．variety C．number D．amount
The police discovered the witness at the funeral, but it was not an _____ to talk at length about the case．
A．appointment B．event
C．incident D．occasion
The mayor _____ the police officer a medal of honor for his heroic deed in rescuing the earthquake victims
A．rewarded B．awarded
C．credited D．prized
When asked about the secret about staying young, he said that a balanced diet _____ with exercise was the recipe for a healthy life．
A．conducted B．concluded C．combined D．connected
Our manager is _____an important customer now and he will be back this afternoon．
A．calling on B．calling up
C．calling in D．calling at
Chemicals in the body ______our food _____ into useful things．
A．break, into B．break, up
C．break, down D．break, off
