单选题Although the first part of the book is easy, the rest ______Aare difficultBhave been found difficultCis supposed difficultDhas proved difficult
单选题
Although the first part of the book is easy, the rest ______
A
are difficult
B
have been found difficult
C
is supposed difficult
D
has proved difficult
参考解析
解析：
句意：这本书尽管第一部分很容易，但是剩余部分被证明很难。句中将书内容分成两部分，因此“剩余部分”是一个整体，谓语用单数；be supposed之后接不定式，即be supposed to do/be...意为“被认为应该…”，因此C项正确的表达为is supposed to be difficult。故答案是D项。
句意：这本书尽管第一部分很容易，但是剩余部分被证明很难。句中将书内容分成两部分，因此“剩余部分”是一个整体，谓语用单数；be supposed之后接不定式，即be supposed to do/be...意为“被认为应该…”，因此C项正确的表达为is supposed to be difficult。故答案是D项。
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