As more and more cars are produced and used, so the _____ from their exhaust-pipes contains an even larger volume of poisonous gas.
A.exposure | B.distribution | C.expansion | D.emission |
Most of the visitors were happy just sitting around in the shade, _________ it had been a long, dusty journey on the train.
A.for | B.so | C.but | D.Or |
— Doesn’t he lose heart even if the experiment hasn’t been working out?
— ________. Nothing defeats him.
A.It depends | B.You bet |
C.By no means | D.Not a little |
Malaysia Airline Flight MH370 seemed to have been _______to only a mystery after so long and hopeless a search.
A.reduced | B.formed |
C.trapped | D.absorbed |
I don’t want to go shopping. ________, it’s raining heavily outside.
A.Therefore | B.Besides | C.Somehow | D.Otherwise |
Susan stayed awake in bed, watching the heavy rain beating ________ the windows.
A.on | B.above | C.against | D.across |