Câu số 31:  

What is the passage mainly about?

Câu số 32:  

According to paragraph 1 , educators believe that through field trips, children can _____

Câu số 33:  

The word "they" in paragraph 2 refers to _____

Câu số 34:  

The phrase "a luxury" in paragraph 3 mostly describes something which is_____ .

Câu số 35:  

According to the passage, which of the following is TRUE?

Câu số 36:  

Which best serves as the title for the passage?

Câu số 37:  

The phrase "blacks out" in paragraph 1 mostly means

Câu số 38:  

According to paragraph 1 , Richard Perez has managed to _____

Câu số 39:  

The word "pipe-dream" in paragraph 2 mostly means_____

Câu số 40:  

The word "it" in paragraph 4 refers to_____