We must take measures to protect the endangered wildlife ______ it
is too late.
A.before B.as long as C.now that D.unless
He was in the mountain for a year. He felt as if he was ______
from the outside world.
A.cut out B.cut off C.cut up D.cut through
The evening news comes on at seven o’clock and ______ only thirty
minutes.
A.keeps B.continues C.lasts D.finishes
----- Must I turn off the gas after cooking?
----- Of course. You can never be ______ careful with that.
A.enough B.too C.so D.very
He told me he had been offered a well-paid ____, but he refused it.
A.business B.service C.work D.position
He has written a lot of books, but ______ good ones.
A.any B.some C.few D.many
