有好多英文都唔識做入黎幫幫我~_~

Join each of the following pairs of sentences together using 'who','whom','whose' which or that Begin each sentence with the words in italics

1.we got into a train. It was very crosded.
2.the beggar was blind. He saw the beggar.
3.We mat the sailor. The sailor's ship was wrecked.
4.the cat killed the rat. The rat ate the corm.
5.This is the path. He came by this path.
6.Helen is an intelligent girl. Helen is my schoolmate.
7.The work us easy You have to do the work.
8.Bring me the book. The book is on the table.
9.The man is deaf. You spoke to the man.
10.This bird sings sweetly.Its nest is on the top of the tree.
11.The picture is very beautiful.He drew the picture.
12.My aunt lives in a small village. Iove my aunt.
13.Here comes the girl. The girl can cook very well.
14.Mr.Smith has a boy. His name is John.
15.This is the dog. The dog can run very fast.
16.My old friend is working on a book shop. I met my old friend.
17.This the pen. You gave me the pen.
18.I'm looking for the book. The book has many pictures.
19.Bees are insects. Bees make honey.
20.This is Mary Smith. Her mother teaches me.