问题
选择题
—Thanks for _______ me with my English.
—You're welcome. [ ]
A. Help
B. helping
C. helps
D. helped
答案
答案：B
搜题请搜索小程序“爱下问搜题”
—Thanks for _______ me with my English.
—You're welcome. [ ]
A. Help
B. helping
C. helps
D. helped
答案：B
cosωt
