题目

①The survey is about use ____ the internet.用介词填空 谢谢!
①The survey is about use ____ the internet. ②My bother went to the dentist _____ teeth cleaning yesterday. ③_____ you can see,I spend time ______ my family on weekends 谢谢!

提问时间：2021-01-02

答案

of
for
as
with