题目内容

It is almost five years__________ we saw each other last time.?
A．beforeB．sinceC．afterD．when
B?
解此题的关键在于主句与从句在时态上保持一致。用A、C、D三项的连接词引导时间状语从句时，与主句的时态明显不一致。since引导从句时常用过去时，主句则用一般现在时或现在完成时。?
练习册系列答案
相关题目
Information has been put forward__________more middle school graduates will be admitted into universities.
A．while B．that C．when D．as?
_________，this kind of disease can do great harm to people there.?
A．Occurring where
B．It occurs where it is
C．Where does it occur
D．Wherever it occurs
__________I know the money is safe，I shall not worry about it.?
A．Even thoughB．Unless
C．As long asD．While
Anyonewants to go to the zoo should get to the school gate at six tomorrow morning.
A    B          C                  D
Government reports,legal papers and most business letters are the main situations________English is used.
A．whenB．thatC．howD．where
_________，so he didn’t come to school last week.?
A．Though he was illB．Being ill?
C．Having been illD．He was ill
Our aim is to select the best person for the job, __________
they are from.
A．whereverB．however
C．whateverD．whenever
The pianist waited for silence a while _______ he began to play the violin.
A．untilB．when?
C．afterD．before?

违法和不良信息举报电话：027-86699610 举报邮箱：58377363@163.com

精英家教网