Exercise
1.
Give me the book you bought me, not the one I bought you.
2.
Nobody could be said to understand the heath who had not been there at
such a time.
3.
Chemistry deals with changes in matter as a result of which it is
possible to
form a new substance.
4.
He decided to take this difficult course, which has made him extremely busy
during the summer.
5.
The boys who wanted to play football were disappointed when it rained.
6.
The boys, who wanted to play football, were disappointed when it rained.
7.
The Chinese people invented the compass and used it on their voyage long
ago,
which is already a well-known fact
.
8.
I had seldom
met an
American
who served in
China during World War II
who had not known Zhou Enlai.
9.
This was the only thing he said that I thought a bit silly.
10.
The cook turned pale, and asked the housemaid to shut the door, who