Great changes        in our city last year.
#40449
A
happen
B
happened
C
take place
D
took place
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
 After Steven sent some e-mails ,he______ surfing the Internet.
#36785
A
starts
B
has started
C
will start
D
started