----What were you doing _________ 8 last night? ----- While I was wandering in the street, I noticed a wallet __________ on the ground.
____interesting experiment it is!
This book ___ be yours. Look! Here is your name.
Whose book is this? It’s not___ book,____ is over there
The problem isdifficult few students can work it out.
is a kind of traditional art.