为什么这句话中用be,而不是is
为什么这句话中用be,而不是is
Dogs make great pets.这句话为什么用make而不是be呢?
"There is snow today "这句话中为什么要用“snow”而不是"snowy"?
Is he the man who/that wants to see you?这句话为什么是Is he而不是he is
Lucy has found her cat and now she is washing it.为什么这句话中用了现在
这句英语为什么要加?She deserved to be punished.这句话中to 后面为什么加的是be而不是by
should friends be different or the same,为什么要用be,而不是is
The girl is afraid__the dog.为什么是be afraid of而不是be afraid to?
My goal is to be rich中为什么用to be而不是being?
"I want to be an actor"中为什么要用be而不是is?
为什么 His ice creams are very nicy这句短语里,be动词用的是are而不是is
为什么说my dream is to be a worker 而不是my dream is being a worker