Great changes _____ in China in the past 30 years and many Chinese are living a happy life today. 
#99354
A
took place
B
were taken place
C
have taken place
D
have been taken place
推荐题目
---I’m worried about the coming driving test .--- Take it easy. You ______ hard and I am sure you can pass it.
#103645
A
are practising
B
were practising
C
had been practising
D
have been practising
 It’s been years since I _____ myself so much.
#103535
A
enjoy
B
enjoyed
C
have enjoyed
D
had enjoyed
—Could I use your car tomorrow morning?—Sure. I ______ a report at home.
#100598
A
will be writing
B
will have written
C
have written
D
have been writing