I was out of town at the time, so I don’t know exactly how it _______. 
#104951
A
was happening
B
happened
C
happens
D
has happened
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The telephone ______ three times in the last hour, and each time it _____ for my father.
#100969
A
had rung; was
B
has been ringing; is
C
rang; has been
D
has rung; was
---- What’s our homework for today, Tom? ---- Oh, sorry. I ______.
#102915
A
hadn’t paid attention
B
was not listening
C
am absent-minded
D
couldn’t hear
I have to walk to school today because my bike _____now.
#101260
A
is being repaired
B
has been repaired
C
is repaired
D
has repaired