It was today's activity ________ let me know the importance of teamwork.
#84709
A
where
B
which
C
that
D
what
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It _______ we had stayed together for a couple of weeks _______ I found we had a lot in common.
#85396
A
was until;when
B
was until;that
C
wasn’t until;when
D
wasn’t until;that
I can’t remember ______ I met the man. 
#85471
A
where was it
B
it was where  
C
where it was that
D
where was it that