15. It was with great joy _____ he received the news ______ his lost daughter had been found.
#85524
A
because, when
B
which, that
C
since, how
D
that, that
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It was ______ back home after the experiment. 
#85256
A
not until midnight did he go
B
until midnight that he didn’t go
C
not until midnight that he went
D
until midnight when he didn’t go
It was the President himself______ opened the door.
#84896
A
who     
B
when  
C
which
D
where
– What did he want to know, Jack?- ________ that we would have the picnic on Sunday.
#85289
A
what it was
B
when it was
C
whether it was
D
where it was