China has hundreds of islands, ___________ is Taiwan Island.A.among them the largestB.and the largest of whichC.and the largest of themD.but in which the largest
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Living in the central Australian desert has its problems,___..
Living in the central Australian desert has its problems,______ obtaining water is not the least.A.for whichB.to whichC.of whichD.in which
Those were the graduate assistants ______ to do the research..
Those were the graduate assistants ______ to do the research work in the lab.A.to whom it was their responsibilityB.whose responsibility there wasC.whose responsibility wasD.of whom with the responsibility