1.    We study an ancient Greek writer Homer in translation. (WHO)

→   ___We study Homer, who is an ancient Greek writer, in translation. _________________________________________________________________________

2.    Jan wasn’t late for his music lesson. (TIME)

→   ___Jan was on time for his music lesson. _________________________________________________________________________

3.    Carol thought the accident was less serious than it was. (MORE)

→   ___The accident was more serious than Carol thought. _________________________________________________________________________

4.    Have you decided where you’re going for your holiday this year? (MIND)

→   __Have you made up your mind about where you're going for your holiday this year?__________________________________________________________________________

5.    "I won’t open my present until my birthday," Keith said. (PROMISED)

→   _ Keith promised not to open his present until his birthday. ___________________________________________________________________________

6.    Sitting too long at the computer will make your back and arms ache. (IF)

→   __ If you sit too long at the computer, your back and arms will ache. __________________________________________________________________________

7.    My aunt and uncle used to work in that company. (THAT’S)

→   __That's the company where my aunt and uncle used to work. __________________________________________________________________________

8.    Some people prefer going abroad for holidays to traveling in their own countries. (WOULD RATHER)

→   ___Some people would rather go abroad for holidays than travel in their own country. _________________________________________________________________________

9.    "Did anyone notice anything unusual?" asked the police officer. (WANTED)

→   __The police officer wanted to know if anyone had noticed something unusual. __________________________________________________________________________

10.  I’m learning English because I want to get a good job when I finish my studies. (SO THAT)

→   _I'm learning English so that I can get a good job when I finish my study ___________________________________________________________________________