Question

what （）it is today ！A、a nice weather B、nice weather C、nice weathers D、nice a weather四个

选项都不明白选与不选的原因，请好心人帮助

Answer 1

B
weather是不可数名词不能用 a修饰所以 A D都错
其次what +adj +不可数名词所以选B

.How +形容词+ a/an +名词
How+形容词或副词

.What
What+a+形容词+名词
What+ 形容词+复数名词
What+ 形容词+不可数名词
How clever a boy he is!
How lovely the baby is!

What noise they are making!
What a clever boy he is!
What wonderful ideas (we have)!
What cold weather it is!

Answer 2

首先排除D a应该 放在nice前面
然后排除A和C weather是不可数名词，前面不用a修饰

所以选B

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Answer 3

B

Answer 4

A