问题
选择题
When we write our homework on the computer, we should _____ first.
A．save the document
B．print our homework
C．open a new document
D．turn off the computer
答案
答案：C
题目分析：save the document保存文档；print our homework打印作业；pen a new document打开新文件；turn off the computer关掉电脑；句意：当我们在电脑上写作业时，我们应该首先打开一个新文档。结合语境可知选C。