(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
—My son is addicted to drugs. He isn’t hopeless, is he?—Yes, _____ he mends his ways and starts all over.
#31505
A
if
B
when
C
even if
D
unless
________ the jewels were locked in a strong box，the thieves stole them without any difficulty.
#30445
A
If
B
Unless
C
Although
D
Because
It was during World War II, ____ he was in his early twenties, _____ he joined the British Army.
#33800
A
that; when
B
when; that
C
when; when
D
that; that
(2013·甘肃兰州名校高三检测)The professor told me to start the research right now, ________ I was sure to fall behind.
#30546
A
or
B
so
C
but
D
and
The value of life lies not in many days we live, but in ____ use we make of them.
#31891
A
that; which
B
what; that
C
how; what
D
what; how