求英语高手,一定要详细,谢谢

Question

i have never seen ______film before.
A..so good a
B.a so good

i have help you as ____as i can.
A.possible
B.many
C.much
D.more

this shelf is ____the other one。
A.the same height as
B.as higher as
C.high as
D.as the same height as

Answer 1

1 A
固定用法 so +adj. +a + 名词单数/ such a /an +adj. +名词单数。

2 C
as +形容词/副词+ as sb can =as +adj. +as possible 尽可能…… ，因为帮助某人做事要用MUCH（ 不可数）

3 A
the same ... as 与……一样

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Answer 2

1 A
固定用法 so adj. a 名词单数/such a /an adj. 名词单数。
2 C
as 形容词/副词 as sb can =as adj. as possible尽可能……
3 A
the same ... as 与……一样。如果选BCD，应该是as high as