问题
选择题
If you want to see a doctor,you fix a date with him ahead of time.That is a common __________ in the USA.
A.sense B.practice C.rule D.reality
答案
答案:B
a common practice惯例。
If you want to see a doctor,you fix a date with him ahead of time.That is a common __________ in the USA.
A.sense B.practice C.rule D.reality
答案:B
a common practice惯例。