—China develops so fast.— That’s true. It ______ a lot already. 
#40170
A
changes
B
changed
C
will change.
D
has changed.
推荐题目
Who designed this game?It        by Tom in 1999.
#38970
A
is designed
B
designs
C
was designed
D
designed
We'll go on a field trip if it _______ this weekend.
#40236
A
won't rain
B
isn't raining
C
doesn't rain
D
will rain