________ you are interested in astronomy, you can read the book.

.___wants to join the club should sign your name here.

Can you think of some cases ________ people can communicate only by means of body language?

______ is even more important is that water began to appear on the earth’s surface.

_________ an ad does not lie, it does not mean it tells you the complete truth.

You needn’t take your shoes off when you enter someone’s house in Australia , _____ , of course , they’re very dirty .

The problem is _______ we can arrive there before 6:00 tomorrow morning.

＿＿ you know, I am with my aunt and grandmother .

.The Forbidden City is an area ＿＿ once only the emperor, his family and officials were allowed.

The magazine ______ the cover is missing was borrowed from the school library.