The government has taken measures air quality. [ ]A. to improveB. i

题型：北京模拟题难度：来源：

The government has taken measures air quality. [ ]
A. to improve
B. improved
C. being improved
D. to be improved

答案

举一反三

Countries are looking for new clean fuels, such as solar energy, ________their homes in winter.    [     ]
A. to heat
B. heating
C. heated
D. having heated

题型：河南省同步题难度：| 查看答案

More and more people will go abroad for further studies in the few years ____. [     ]
A. coming
B. come
C. to come
D. having come

题型：四川省模拟题难度：| 查看答案

— Shall we go outing this weekend?
— Oh, with all this work ______, I don"t know if I"ll have time to go out.    [     ]
A. to do
B. doing
C. done
D. do

题型：同步题难度：| 查看答案

I"m surprised ____ that Sue and Paul have broken up, for they seemed very happy together when
I last saw them. [ ]
A. to hear
B. hearing
C. to be heard
D. being heard

题型：安徽省模拟题难度：| 查看答案

The children all turned _______ the famous actress as she entered the classroom.   [     ]
A. looked at
B. to look at
C. to looking at
D. look at

题型：福建省模拟题难度：| 查看答案