There is a natural phenomenon scientists call the greenhouse effect.
#78036
A
that
B
what
C
for which
D
who
推荐题目
Parents should see to it _______ their children form the habit of brushing their teeth every day.
#77388
A
this
B
that
C
whether
D
if
She showed the visitors around the museum, the construction________had taken more than three years.
#75109
A
for which
B
with which
C
of which
D
to which
The road construction is based on the agreement, one of _______ purposes is to ensure its completion on time.
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A
which
B
whose
C
that
D
what
The residents, _______ had been damaged by the earthquake, were given help by the Red Cross.
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A
all their homes
B
all whose homes
C
all of whose homes
D
all of their homes
Last week, I bought an interesting story book, _____ is very beautiful.
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A
which cover.
B
the cover of which.
C
its cover.
D
the cover of whose.