A.expanding B.expands C.expanded D.expand
单项选择题Civil war or regional conflicts also cause disruption,()people out of rural areas.
A.drives B.drove C.driving D.driven
单项选择题This growth,()mainly in Southeast Asia and Africa, has dramatic consequences.
A.happens B.which is happening C.which happening D.which happened
单项选择题Sixty million people who()in rural areas are moving to cities every year.
A.lived B.lives C.living D.live
单项选择题I spent most of my money in the first week and()had very little for food at the end of the holiday.
A.since B.however C.moreover D.consequently
单项选择题He is trying to find a new way to()a living. Which of the following is incorrect.
A.getB.earnC.takeD.make
单项选择题Several languages are likely to die()
A.out B.down C.off D.of
单项选择题Heat causes the()of gas.
A.growth B.increase C.expansion D.extension
单项选择题He is() at doing this kind of job.
A.imefficient B.nonefficient C.unefficient D.inefficient
单项选择题Cycling is a good exercise.(), it doesn't pollute the air.
A.Therefore B.Moreover C.But D.However
单项选择题Speed limits should lead() fewer deaths on the roads.
A.to B.off C.on D.in