To save energy , all the lights should be turned off before going out .A.To saveB.should beC.turned offD.going out .
Have seen the film twice , I don’t want to see it again any more .A.Have seenB.twiceC.to seeD.any more .
(22)A.was drivingB.droveC.had been drivingD.having driven
(23)A.withB.inC.onD.by
(25)A.quickB.slowC.slowlyD.slowness
When is an area considered “ under-populated ” ?A.When its population is not big enough to maintain the economic system .B.When it has high number of HIV – related deaths .C.When its population is too poor .D.When it has high fertility rate
Which areas are expected to encounter a decrease in population growth in the next decades ?A.Some countries in Central and Eastern Europe ,B.JapanC.Some countries in Western Europe ,D.B and C
The mouse family avoided............by coming out only when the two cats were outsideA.catchingB.to be caughtC.being caughtD.to have been caught
. ………………the instruction, he snatched up the fire extinguisherA.To have readB.I have readC.I readD.Having read
Your friendship should be base on …………..trust.A.basicB.fragileC.mutualD.blind
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