A huge amount of oil was spilt on the East Sea, the causes of ______ are still under investigation.
#78658
A
it
B
that
C
which
D
whom
推荐题目
、The virtues of thrift（节俭）and hard work is vital for everyone, is often the case in any society.
#78643
A
as
B
that
C
when
D
where
Linda went to a party with a girl, _____ favorite hobby is collecting stamps.
#78682
A
who
B
whom
C
whose
D
which
He didn’t attend the meeting last night, _________ he doesn’t know our plan for the picnic.
#78674
A
that’s why
B
that’s because
C
which is why
D
which is because
China's population is expected to increase to about 1.5 billion in 2040, ______it will start to decline slowly.
#78613
A
where
B
which
C
on which
D
after which
The settlement is home to nearly 1,000 people，many of ________ left their village homes for a better life in the city.
#78614
A
whom
B
which
C
them
D
those