Shanghai lies _____the east of China and _____ the north of Hainan.[ ]

Selina, are you____________ member of the swimming club?—No, but I joined _________art club last month.

Let’s go to the seaside for fresh air,OK?—_______.

What are you going to do this weekend?— I’m not sure ______. Maybe I am going swimming.

It’s impolite to read _______ letter .