问题
选择题
—What are you ________? —I'm _______.[ ]
A. do; read
B. doing; read
C. do; reading
D. doing; reading
答案
答案：D
搜题请搜索小程序“爱下问搜题”
—What are you ________? —I'm _______.[ ]
A. do; read
B. doing; read
C. do; reading
D. doing; reading
答案：D