1．—I’m sorry to keep you waiting for so long．I'll make short work of my lunch．
—____．I’m not in a hurry．
A．Take it easy B．Take your time
C．Not at all D．Don't be nervous
2．Monkeys in the zoo started to show the flu _____ last Monday and altogether twenty have died up to now．
A．symbol B．sign C．signal D．symptom
