How often do you go shopping? Once or twice a week.But I go shopping ( ) on Saturday or Sunday.

问题描述:

How often do you go shopping? Once or twice a week.But I go shopping ( ) on Saturday or Sunday.
请问括号里填一个单词,是什么?可以填are吗? 但貌似里面有实义动词了.

only
)only我也想过,但不是位于实义动词之前吗?不一定啊比如说Ido this only for you.