Let's do our homework first.改为同义句 ___ ___,___ ___ do our homework.

Let's do our homework first.改为同义句 ___ ___,___ ___ do our homework.
Let's do our homework first.改为同义句 ___ ___,___ ___ do our homework.

Let's do our homework first.改为同义句 ___ ___,___ ___ do our homework.
At first,we should do our homework.

At first,let's do our homework.