Elephants usually won’t attack a person ________ one becomes a danger to them.
A.until B.although C.unless D.when
—￥55, and that’s my last offer.
—OK.That’s a ________.
A.trade B.deal C.cost D.price
Our headmaster worked so hard day and night that _______ he made himself ill.
A.definitely B.quickly C.eventually D.probably
—Any ________ to how long I can keep the book?
—Yes. You must return it by next Tuesday.
A.limit B.time C.number D.length
There is a terrible smell in the room. Please open the window to ________it.
A.get away B.get off C.get over D.get rid of
Our food and drink are ________.I will go to the supermarket to get more.
A.using up B.running out
C.running out of D.running away
