When was it _____ your parents took you to Hangzhou?
#84796
A
before
B
if
C
which
D
that
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Was it in the cinema __________ Mr. Smith met you __________ you saw the film?
#84779
A
where; that
B
that; that
C
where; which
D
which; that
Do you know since when it is ________ you have been interested in poetry?
#85312
A
when
B
until
C
how
D
that
It is only with the help of scientific research _____ bring PM1 air pollution under control.
#84662
A
that we will
B
we will
C
that we do
D
do we
It was in the garden of the old house _____ he bought last year ______he dug up a pot of gold.
#84833
A
which; which
B
that; which
C
what; that
D
that; that