问题
选择题
Don’t talk to me, I’m _ my homework . [ ]
A. busy at
B. busy with
C. busy to do
D. busy do
答案
答案：B
搜题请搜索小程序“爱下问搜题”
Don’t talk to me, I’m _ my homework . [ ]
A. busy at
B. busy with
C. busy to do
D. busy do
答案：B