1. Tom isn't a student        Is Tom a student?

2. Her name isn't Betty White         Is her name Betty White?

3. This hat isn't new                        Is this hat new?

4. Those coats aren't cold               Are those coats cold?

5. I'm not a teacher                         Is you a teacher?

4. In my city, there is always a serious______ of water in summer.SHORT

5. Mr Huy is a very strict _______________. EXAM

6. My friend is very ______________. HELP

7. He is the most ____________ person in my family. SUCCESS

8. My brother often does experiments about electricity for…………….. PLEASE

IV. a) Fill in each blank with a suitable preposition(5 points).

1- The ambulance will be there ...................... a bout 5 minutes.

2- Bobby started school ....................... the age of five.

3- I am very keen ......................... music.

4- Peter was very familiar ........................ planting potatoes.

5- They treated me ......................... a heard problem.