Question

句型轉(zhuǎn)換。  

1.Over three-fourths of the gas is nitrogen.（改為同義句）
                        three-fourths of the gas is nitrogen.  
2. Everything will die on the earth without the atmosphere to protect us.（改為同義句）
    Nothing could ________on the earth without the atmosphere to protect us.
3. The chorus（合唱隊(duì)）of our school consisted of some students and teachers.（改為同義句）
    The chorus of our school_______       some students and teachers.
4. The river is filling with heavily rain.（改為同義句）  
    The river ________of heavily rain.
5. I found that studying English well is more difficult.（改為同義句）  
    I found        ____more difficult____       English well.

Answer 1

1. More than    2. remain alive    3. were made up of    4. is full    5. it ; to study