问题
选择题
You should _________ your subject before you began to do your homework.
A look at B. look through C look after D. look in
答案
答案：B
搜题请搜索小程序“爱下问搜题”
You should _________ your subject before you began to do your homework.
A look at B. look through C look after D. look in
答案：B