问题

There is reason to believe that most writers have difficulty in ________ the opening paragraphs oftheir papers.[ ]

A: constituting
B: constructing
C: comprising
D: founding

正确答案是：

同类题型

27Most of us hate people ________ talk much but do little

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__ the fact that too much fat can beharmful, a moderate amount of fat is actually essential to the maintenance ofgood health

Pandas like eating _____ and elephants likeeating ____.

_____ is none of your business. [ ]