The following day she felt_______ well to go to work.
A.suffice
B.sufficient
C.sufficiently
D.sufficiency

Are you sure Britain is a wheat- _____country?
A.produced
B.product
C.producing
D.production

Marine reptiles are among the few creatures that are known to have a possible lifespan greater than______
A.man
B.the man’s
C.the one of man’s
D.that of man

Mr. Brown is the landlord ____we rent the house.
A.who
B.from whom
C.whom
D.whose

Why don’t you buy bananas when they are much _____apples?
A.less expensive than
B.not expensive than
C.expensive than
D.lesser expensive than

_______ a difficult problem can only be tackled over a number of years.
A.Such a
B.Such
C.So that
D.So

He couldn't afford to_______his car repaired.
A.pay
B.make
C.do
D.get

lt is widely believed ___that human beings are descended from one common ancestor.
A.every
B.all
C.every of
D.all of

"Joseph’s English _____, isn’t it?” “Yes. He ______American television programs every day since he first arrived in san Diego. Soon he will be totally fluent."A.is really improving - has been watching
B.has really improved - has watched
C.really improved - watches
D.is really improving - watches

Suppose flights______ on that day, which other day could we go?
A.are fully booked
B.will be fully booked
C.would be fully booked
D.have been fully booked