Beijing____its best air quality in the first six months of last year. [

题型：安徽省模拟题难度：来源：

Beijing____its best air quality in the first six months of last year.      [     ]
A. saw
B. sees
C. has seen
D. was seeing

答案

举一反三

Lang Ping , who used to be captain of Chinese Women"s volleyball team, ______volleyball in China for
almost twenty years.[     ]
A. have played
B. played
C. was playing
D. had played

题型：山西省模拟题难度：| 查看答案

Not until I was standing on the edge of death ____ how much I wanted to live. [    ]
A. I realized
B. did I realize
C. I had realized
D. had I realized

题型：山西省月考题难度：| 查看答案

—I"m sorry, but there"s no smoking room in this section on the train.
—Oh, I _____ that, and I won"t smoke again.   [     ]
A. don"t know
B. won"t know
C. didn"t know
D. haven"t known

题型：安徽省模拟题难度：| 查看答案

Only when class began ____that he had left his book at home. [     ]
A. will he realize
B. he did realize
C. did he realize
D. should he realize

题型：西藏自治区月考题难度：| 查看答案

What a pity! When we got to the cinema,the movie The Assembly          ,so we saw only the end of it.   [      ]
A. had just finished
B. was finishing
C. would finish
D. just finished

题型：云南省月考题难度：| 查看答案