Question

【题目】Don’t give up, Peter ! We are only halfway to ________ the problem.

A.solveB.solvesC.solving

Answer 1

【答案】C

【解析】

句意：Peter，不要放弃。我们离解决这个问题只有一半。A. solve解决，原形；B. solves解决，第三人称单数；C. solving解决，现在分词或动名词。be halfway to doing sth做某事做到一半，根据题意，故选C。