—Is Bob doing homework? —No, he ______. He is ______ a letter. [ ]A. doesn't,write B. isn'
[ ]
题目简介
—Is Bob doing homework? —No, he ______. He is ______ a letter. [ ]A. doesn't,write B. isn'
题目详情
—No, he ______. He is ______ a letter.
[ ]
B. isn't, writes
C. isn't, writing
D. isn't, writeing
答案