早教吧 育儿知识 作业答案 考试题库 百科 知识分享

Theboysspentthewholemorningpossibleanswerstothequestion.A.discussB.anddiscussingC.discussingD.anddiscussed为何选C,语法是怎样的呢?

题目详情
The boys spent the whole morning _______ possible answers to the question.A.discuss
B.and discussing
C.discussing
D.and discussed
为何选 C,语法是怎样的呢?
▼优质解答
答案和解析
spend+time+doing sth.花费时间做某事