问题
选择题
—Would you like_______ the environment?
—I don't know. What can I do? [ ]
A. help save
B. helping save
C. to help saving
D. to help save
答案
答案：D
搜题请搜索小程序“爱下问搜题”
—Would you like_______ the environment?
—I don't know. What can I do? [ ]
A. help save
B. helping save
C. to help saving
D. to help save
答案：D