问题
选择题
— Can you go shopping with us?
— Sorry, I can't. I _____ my house. [ ]
A. cleaning
B. am cleaning
C. clean
D. cleaned
答案
答案：B
搜题请搜索小程序“爱下问搜题”
— Can you go shopping with us?
— Sorry, I can't. I _____ my house. [ ]
A. cleaning
B. am cleaning
C. clean
D. cleaned
答案：B