It is hard to understand many English sentences.( 改成同义句） Many English sentences( )( )() ( )

题目

It is hard to understand many English sentences.( 改成同义句） Many English sentences( )( )() ( )
The summer holiday is (more than one month)(对括号里的内容提问） （ ） （ ）is the summer holiday?
Mrs.White is a successful English teacher(改为同义句）Mrs.White ( ) ( ) ( )teaching English Pass the final exam ,or we won't give you a certificate ( ) ( ) ( )the final exam ,we ()( )you a certificate I think the children are speaking French (就划线部分提问） （ ） （）do you think the chlidren are speaking

答案

aren't easy to understand

How long

is good at

Without your passing...won't give

What language