问题

Great changes _____ in China in the past 30 years and many Chinese are living a happy life today.

A:took place
B:were taken place
C:have taken place
D:have been taken place ;

正确答案是：

同类题型

The professor in the letter is from Shanghai.

Human facial expressions differ from those of animals in the degree __________ they can be controlled on purpose.

Because of my grandma’s poor memory, she has forgotten all____ you told her.

mised to buy me a nice gift for my birthday, beyondmy imagination.

in a spare moment at the weekend or _____,it really doesn’t matter.