、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
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
According to China's Food Safety Law, ______________ in February 2009, the State Council established the Food Safety Committee to oversee a chain of departments.
#78665
A
as is passed
B
as it was passed
C
which is passed
D
which was passed
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