—What were you doing when the UFO arrived?— I         with my dog on the street.
#41593
A
walked
B
was walking
C
is walking
D
have walked
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I don’t know if he          tomorrow. If he        tomorrow, I will ring you up. 
#37252
A
comes, comes
B
will come, comes
C
will come, will come
D
comes, will come
We _______go to the park if it _______rain tomorrow.
#38100
A
don’t,isn’t
B
don’t,stop
C
shall,doesn’t
D
aren’t,doesn’t