问题
选择题
—Would you like to go hiking with us this Sunday?
—Sure, _______ I am busy.
A．until
B．when
C．unless
D．since
答案
答案：C
根据文章的意思，C符合题意。
搜题请搜索小程序“爱下问搜题”
—Would you like to go hiking with us this Sunday?
—Sure, _______ I am busy.
A．until
B．when
C．unless
D．since
答案：C
根据文章的意思，C符合题意。