Great changes _______over the years.
#41567
A
took place
B
was taken place
C
have taken place
D
happened
推荐题目
This morning I had hardly got to my school when it_____ to rain. 
#42104
A
had begun
B
was beginning
C
began
D
begins
While she       , she cut herself.
#38471
A
was cooking
B
cooked
C
had cooked
D
cooks
My brother usually _____ his classroom after school. But now he _____ basketball.
#39919
A
cleans; plays
B
is cleaning; plays
C
cleans; is playing
D
is cleaning; is playing
 The Whites _____ many places of interest last year.
#40273
A
have visited
B
will visit
C
visited
D
visit