Question

【题目】The students are in the classroom.

A. write B. writes C. writing

Answer 1

【答案】C

【解析】句意：学生们正在教室写字。A. 动词原形；B.动词第三人称单数形式；C.现在分词。根据现在进行时结构be+doing判断，选项C符合题意，故答案为：C。