—Is Bob doing his homework?
—No, he . He is a letter.
- A.doesn’t; write
- B.isn’t; writes
- C.isn’t; writing
- D.isn’t; writeing
答案
正确答案：C
知识点：动词时态:现在进行时
根据句意，现在进行时的否定回答为“No，主语+isn't/aren't.”，所以A选项不正确，根据语境“他正在写信”的完整表达为：He is writing a letter。注意write要去e加-ing。
略
WORD格式（
