It was not until the early 1950s ______most tape recorders began using plastic tape as they do today.
#85243
A
when
B
which
C
that
D
Before
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It was          back home after the experiment.
#85107
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
He went home for lunch ____ the clock struck twelve.
#85487
A
while
B
immediately
C
right away
D
at once