UC知道高中英语问题，急！
来源：百度知道 编辑：UC知道 时间：2024/05/22 07:37:01
选择题：1.Our English teacher's favourite expression is as follows:"Time flies!Three years will have passed and you will be saying goodbye to all the teachers here ________ you know it.
A. after B. when C. before D.until
2.Xiao Tong was admitted to a famous University in 1998,_______
we have heard nothing about him.
A.since that year B.after that year C.since which year
D.after which year
PS：请具体分析每个选项，不甚感谢！
A. after B. when C. before D.until
2.Xiao Tong was admitted to a famous University in 1998,_______
we have heard nothing about him.
A.since that year B.after that year C.since which year
D.after which year
PS：请具体分析每个选项，不甚感谢！
1。B
时光飞逝..三年将会过去，当你知道的时候。你就要跟你的老师说再见了。
单从字面意思，不能选择c and d. 因为上句是一般将来式，后面是现在式，用when就是时间壮语从句，正好符合时间壮语的规则。
2. B (感觉是）
因为如果是a的话，用since后面应该是过去完成时，就是had heard nothing about him. 所以答案就不是a and c。在因为我实在是没聼过after which year的，所以应该是after that year..
我也不是很确定阿。。在聼聼其他人的意见了~~~