---How often ___________ the Olympics _____________? ---Every four years. 
#42174
A
is, taken place
B
is, hold
C
does, hold
D
does, take place
推荐题目
It is said there ________ two basketball matches on TV this Saturday.
#41698
A
are going to have
B
is going to be
C
were going to be
D
are going to be
He _____in Xinxiang for five years when I heard his news.
#42297
A
has lived
B
had lived
C
is living
D
has been lived