国家开放大学 / 综合英语(1)
正确率:100%
I haven’t seen you _ _ _ _ _ _ . How have you been?
a.in so long
b.since so long
c.at once
d.for so soon
a.in so long
b.since so long
c.at once
d.for so soon
参考答案:
佳题速递: