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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I really don’t know _________ I put my wallet after I paid the bill.
#84766
A
where was it
B
it was where that
C
where was it that
D
where it was that
Jim’s mother just wants to know that makes him so nervous.
#84727
A
why it does
B
what he does
C
how it is
D
what it is
—Is it that Jack often plays computer games makes his parents worry about him ?—Yes , I think so .
#85207
A
what
B
when
C
that
D
which
It was in 1969 ______ two Americans went to the moon by spaceship.
#85060
A
when
B
that
C
at that time
D
just then
It was because I was caught in the traffic jam ________ I came to school late this morning.
#47022
A
which
B
when
C
what
D
that