国家开放大学 / 综合英语（1）
正确率：100%
—How long have you worked at New Wave?
—
a.For about 5 years.
b.Since about 5 years.
c.In about 5 years.
—
a.For about 5 years.
b.Since about 5 years.
c.In about 5 years.
参考答案：
佳题速递：