It was last night ________ I saw the comet.
#84749
A
the time
B
when
C
that
D
which
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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
________ he made up his mind to take a trip to Europe?
#85093
A
When was it that
B
to That was it when
C
That it was when
D
When it was that
I don’t know _____makes her afraid of having her business discussed.
#85523
A
what it is about Mary that
B
that is it abut Mary what
C
what is it about Mary that
D
that is about Mary what
When I try to understand ________ that prevents so many children from being happy, there seem to be three causes.
#84675
A
why it is
B
what it does
C
why it does
D
what it is