So far, the moon ________ by man already.  
#38542
A
is visited
B
will be visited
C
has been visited
D
was visited
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In New York I found my friend Collins, who       there some time before me.
#40368
A
would arrive
B
has arrived
C
had arrived
D
was arriving
---May I go out with you tomorrow?  ---If your job ______by then.
#42611
A
has been finished
B
finish 
C
will be finished
D
will finish
Ken _____ his jacket in the gym. He has to get it back.
#39092
A
left
B
leaves
C
is leaving
D
was leaving