题目内容
Mike can't go to watch the football game because he hasn't finished _______ his homework.
A. did
B. done
C. do
D. doing
答案:D
练习册系列答案
相关题目
题目内容
Mike can't go to watch the football game because he hasn't finished _______ his homework.
A. did
B. done
C. do
D. doing