单项选择题
A.twice as expensive as B.twice as more expensive as C.as twice more expensive as D.as twice expensive as
At a rough estimate,Nigeria is（）Great Britain.A.three t...
单项选择题At a rough estimate,Nigeria is（）Great Britain.
A.three times as big as B.three times as bigger as C.as three times big as D.as three times gigger as
There is a serious liability（）performance and fuel effi...
单项选择题There is a serious liability（）performance and fuel efficiency.
A.in time of B.in case of C.in terms of D.in honour of
Although recent years have seen（）reductions in noxious ...
单项选择题Although recent years have seen（）reductions in noxious pollutants from individual motor vehicles, the number of such vehicles has been steadily increasing.
A.substantial B.substance C.submit D.subjective
