Question

【题目】What difficulty they had _______ up with some creative ideas at once!

A.to comeB.cameC.comingD.come

Answer 1

【答案】C

【解析】

句意：他们马上想出一些有创意的想法是多么困难啊！

本题考查非谓语动词。to come是动词不定式；came是一般过去时；coming是现在分词或动名词；come是动词原形。have difficulty doing sth做某事困难，故选C。