A. many B. a few C. few D. several

— Yes, I _____.

A. Is; am B. Are; am C. Is; are

【题目】Lucy didn't leave her office _______ the police arrived.
A.however
B.whenever
C.while
D.until

A. How often B. How soon C. How long D. How far

【题目】There is _______ food in the fridge. It's enough to eat.
A.many
B.a few
C.plenty of
D.a bit

A. to B. on C. of D. with

A．walk; telling B．entering; to speak

C．enter; to tell D．walking; talking

A．see B．seeing

C．saw D．to see

【题目】You should be prepared _______ a lot of time _______ for your food.
A.spend; wait
B.to spend; to wait
C.spending; waiting
D.to spend; waiting