问题
选择题
Jimmy felt terribly sorry because he took his deskmate's math book away__________[ ]
A. in mistake
B. by mistake
C. in trouble
D. by wrong
答案
答案:B
Jimmy felt terribly sorry because he took his deskmate's math book away__________[ ]
A. in mistake
B. by mistake
C. in trouble
D. by wrong
答案:B