A
一定要用陈述 。
False: The question is when can he arrive at the hotel.
Right: The question is when he can arrive at the hotel.
B
引导 时if/whether(是否)用法辨析:
if不能引导 ,只能用whether 来引导。
引导 时if/whether可以互换,但 后面的宾语从句只能用whether来引导。
位于句首的 只能用whether来引导, 也只能用whether来引导。
False: The question is if the enemy is marching towards us.
Right: The question is whether the enemy is marching towards us.
C
不像 ,在有 的 中,主句 和从句时态可以不一致。
Right: The question is who will travel with me to Beijing tomorrow.
Right: The question is why he cried yesterday.
D
that在 中不可以省掉。 只能置于主句之后,而主句的 只能是 。
在be等 后作 时被称为 。
例如:The problem is how we can get the things we need.问题是我们怎样能弄到我们需要的东西。(how 在 中充当方式 )
The scissors are not what I need. 这把剪刀不是我所需要的。(what 在表语从句中充当 )
What I told him was that I would find him a good play. 我告诉他的是我会给他找个好剧本。(what在 中作 , that作为 的 在该表语从句中不充当 ,但不能省略)
That is what I want to tell you.那就是我想要对你讲的。(what在 中充当 )
That is why she failed to pass the exam. 那就是她考试不及格的原因。(why 在 中充当原因 )