In time of serious accidents，____we know some basic things about first aid，we can save lives.
A whether B. until C. if D unless
Her face gave her___ when she told a lie.
| A．off | B．away | C．up | D．out |
As a famous Chinese saying___ he who doesn’t reach the Great Wall isn’t a true man.
| A．means | B．goes | C．speaks | D．works |
If we can’t afford meat we shall have to __with fish.
| A．do | B．go | C．eat | D．deal |
She ___ unspeakable trouble while she considered all these questions.
| A．suffered from | B．suffered | C．meet | D．meets with |
He was so touchy --- a word from her would ___ him .
| A．set; out | B．set; off | C．set; up | D．set; back |