题干
— You must _____ a letter to your mother tomorrow.
— Well, I will, Dad.
A：write
B：to write
C：write to
D：writing
答案(点此获取答案解析）
A
— You must _____ a letter to your mother tomorrow.
— Well, I will, Dad.
A：write
B：to write
C：write to
D：writing
