China        a lot in the       ten years.
#38575
A
changed, past
B
was changed, first
C
has changed, last
D
has changed, next
推荐题目
Where is my pen ? Millie _____ it here but I can’t find it .
#39430
A
puts
B
put
C
is putting
D
was putting
. The train _____ for twenty minutes.
#41504
A
left
B
has left
C
is leaving
D
has been away