单项选择题
A.took off B.took on C.took in D.took away
A.reason B.reasoning C.reasonable D.reasoned
A.productive B.productivity C.production D.produce
A.exhaust B.exhausting C.exhausted D.exhaustion
A.although B.despite C.though D.but
A.catching up B.catching on C.catching at D.catching out
A.a whole amountof B.a whole numberof C.a whole hostof D.a whole sumof
A.madeB.letC.hadD.allowed
A.All B.Every C.Each D.Whole
A.people the danger B.people of the danger C.people about the danger D.the danger
A.such pleasure B.such a pleasure C.such pleasures D.a such pleasure