问题
选择题
With the magazine An Express Way to English ____ us, we'll improve our language skills a lot.[ ]
A. having helped
B. helped
C. to have helped
D. to help
答案
答案：D
搜题请搜索小程序“爱下问搜题”
With the magazine An Express Way to English ____ us, we'll improve our language skills a lot.[ ]
A. having helped
B. helped
C. to have helped
D. to help
答案：D