用所给的单词的适当形式填空,每线一词(看补充啦!)
问题描述：
用所给的单词的适当形式填空,每线一词(看补充啦!)
1、How often ______ the students _______ （have） a Math test?----Once a month.
2、Who often _____ （visit） Grandma Li on Saturday?
3、The food is sour.I eat too much.Let's go _____（walk）together.
答
do have
visits
walking