Great changes ________ in China since the People’s Republic of China _________ in 1949.
#36363
A
have taken place; was founded
B
has taken place; was founded
C
have been taken place; founded
D
took place; founded
推荐题目
While the alien _______ a souvenir, the girl called the police.
#42248
A
was buying
B
bought
C
buys
D
is buying
—What a terrible earthquake!—Yes. It came at about 6.30 this morning. I ________ to the bus stop at that time.
#41703
A
walk
B
was walking
C
walked
D
am walking
