The boys are going to

【题目】The boys are going to ________ a survey about children's favourite books. (   )

A.do B.does C.did

【答案】A

【解析】

该句的含义为那些男孩子们打算做一个关于儿童最喜欢的书的调查。be going to do sth.打算做某事，不定式to后面加动词的原形。B. does第三人称单数形式，C. did过去式。故选A。