Junior high school English 2 is urgent!

Many students can't prove that they are as good in the open class as in the traditional class.

3. explanation;

1) this question examines the fixed collocation of prove.

2)prove has the following fixed phrases: prove sb/sth+(to be)+ noun/adjective/preposition.

It means "prove that someone/something is ……", in which to be can be omitted.

You must prove that you are good at English.

You must prove that you are good at English.

3) is omitted in this question, namely:

Prove that you are as good in the open class as in the traditional class.

Because it is preceded by to be, it is usually followed by the adjective good, which constitutes the system table structure.

Well, as an adjective, it means "good health".