【C13】A．infactB．on the other handC．by contrastD．on the contrary

_____ in the engine room, the motormen could hardly talk each other.A.To workB.WorkingC.Ha

The findings of the two studies contradict each other, though both groups of scientists ha

【C14】A．On the contraryB．On the other handC．In additionD．At last

【38】A．On the contraryB．On the averageC．On the wholeD．On the other hand

【C5】A．on the one handB．on the other handC．on all handsD．at second hand

【C9】A．on another handB．on other handC．on the other handsD．on the other hand