问题
选择题
— Where is your brother, Lucy?
— He is busy _____ a kite. [ ]
A. make
B. makes
C. to make
D. making
答案
答案：D
搜题请搜索小程序“爱下问搜题”
— Where is your brother, Lucy?
— He is busy _____ a kite. [ ]
A. make
B. makes
C. to make
D. making
答案：D