问题
选择题
—Are you free _____ Friday?
—I have nothing _____. [ ]
A. in, to do
B. on, to do
C. on, do
D. at, to do
答案
答案：B
搜题请搜索小程序“爱下问搜题”
—Are you free _____ Friday?
—I have nothing _____. [ ]
A. in, to do
B. on, to do
C. on, do
D. at, to do
答案：B