I first met Lisa three years ago. She ________ at a radio shop at the time. 
#36891
A
worked
B
was working
C
has worked
D
has been working
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—I wonder if you      for a picnic tomorrow. —If it      ,I will go.
#36862
A
go, not rain
B
go, doesn’t rain
C
will go, isn’t rain.
D
will go, doesn’t rain.
I ____ back my hometown for a couple of years. I miss it a lot. 
#36934
A
have gone
B
haven’t gone
C
have been
D
hasn’t been