---Who is making so much noise?---___ the children.
#84914
A
There are
B
They are
C
That is
D
It is
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— Is it my age ________the boss minds?—I’m afraid so. He will consider ________ necessary to have an experienced assistant.
#85189
A
which；it
B
that；it
C
which；that
D
that；that
Wow, you are in high spirits. _________ makes you so happy?
#84801
A
What it is that
B
What is it that
C
What is that
D
What it that
It is not how much we learn but how much we understand ______ benefits us so much in our daily life.
#85175
A
which
B
that
C
what
D
who
It was not until last week_______ she found________ she thought was quite mistaken.
#84806
A
when；that
B
that；that
C
when；what
D
that；what