(2014·福州市高中毕业班质量检查)Across all media，people are debating about________we need to keep track of every school bus on China’s road.
#30052
A
how
B
whether
C
which
D
where
推荐题目
He seems too tired today, and I wonder _________ he got a good sleep last night.
#30205
A
when
B
that
C
if
D
where
—What should we pay more attention to if we go north in winter, Mum?—Nothing much. Take warm clothes _____ the weather is cold.
#80608
A
as long as
B
now that
C
if
D
in case
He turns a deaf ear to his parents, _____ many times they have pointed out his weakness.
#34806
A
whatever
B
whichever
C
whenever
D
however
You can’t complain of being lonely you don’t make any effort to meet people．
#33135
A
until
B
when
C
once
D
though