Great changes         in China since 1978.
#39803
A
took place
B
has happened
C
have taken place
D
happened
推荐题目
 My uncle is an experienced teacher. He_____English since 2002.
#36583
A
teaches
B
taught
C
has taught
D
will teach
Sally        her MP4 for 3 years.
#42008
A
have bought
B
has bought
C
have had
D
has had
—Why _________Beijing Duck?—Good idea. Let’s go.  
#41767
A
not eat  
B
don’t eat
C
don’t you to eat
D
not to eat
Paul and I          tennis yesterday. He did much better than I.
#39964
A
play
B
will play
C
played
D
are playing