— Sure, we have the __________ smartphones on sale.
—I agree. Sometimes it's even _________ than grades.
—Yeah. I haven't done sports for a long time, so I've put on 20 pounds.
— Oh, I have never enjoyed a ______one before.
—I'm always ________when I don't get any mail.
增加:在缺词处加一个漏字符号(∧),并在右边横线上写出该加的词。
删除:把多余的词用斜线(\)划掉,并在右边横线上写出该词,也用斜线划掉。
修改:在错的词下划一横线,并在右边横线上写出修改后的词。