请教高手英语语法问题~~表语从句~~~谢谢啦~~

Question

1.The problem is how/if we can master modern science and technology in a short time. 答案是how,为什么不选if 2. The question is if/whether we will have out sports meet. 答案是whether,为什么不选if 3. The reason why he has been such asuccess is that/where he never gives up. 答案是where，为啥不选that 4 You are saying that everyone should beequal, and this is what/where I disagree. 答案是where,为啥不选what

Answer 1

1.解释为“是否”时，if只能用于宾语从句，其他从句必须是whether.
2.
这是表语从句，所以只能是whether.解释为“是否”时，if只能用于宾语从句，其他从句必须是whether.
3.
亲，的确选that，因为he
never
gives
up表达的是一种陈述，不是疑问。这个句子用where:He
succeeded
where
other
people
failed
.(where=
in
the
field
in
which)
4
记住:
this
is
where
I
disagree
==this
is
what
I
disagree
with.this
is
where
(==
the
point
of
view
on
which
)I
disagree