—China develops so fast. —That’s true. It ______ a lot already. 
#42090
A
changes
B
changed
C
will change
D
has changed
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—May I speak to John? ---Sorry, he        Japan. But he       in two days.
#41553
A
has been to; will come back
B
has gone to; will come back
C
has been in; would come back
D
has gone to; come back