—Alice looks blue today.—Yes，I asked her，but she wouldn't say ______ troubled her.
#85419
A
why was it that
B
that was why
C
it was what
D
what it was that
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— Is it my age ______the boss minds?—I’m afraid so. He will consider ______ necessary to have an experienced assistant.
#85179
A
which；it
B
that；it
C
which；that
D
that；that
____ that saw the trade between the two countries reach its highest point.
#85361
A
During the 1980’s
B
That it was in the 1980’s
C
It was the 1980’s
D
It was in the 1980’s
It was in the street where a serious accident happened last week ______another happened yesterday.
#84797
A
which
B
that
C
what
D
how
– ______ you didn’t turn up at the party last weekend? -- My plane was delayed by two hours.
#85316
A
What was it
B
When was it
C
How long was it that
D
Why was it that