Give the correct form of the verbs in brackets.
25. If he ________________free time, he would go swimming. (have)
26. If I had much money, I ________________a new car. (buy)
27. If the weather ________________cool, the bananas wouldn’t spoil. (be)
28. If Ba were rich, he ________________travel aroud the world. (travel)
29.What would you do if you _______________a UFO? (see)
30. If you can’t find your place, I _________you get there with this map. (help)
Give a suitable preposition to each gap below.
31. There were more than 1,500 UFO sightings_______the world in 1952.
32. He saw a plate-like device_______ the treetop.
33. There is still evidence______people to believe_______ the existence of UFOs.
34. You will weigh 8 kilos heavier_______the moon.
35. You must get a letter_______the doctor that shows you are_______ perfect health. Rewrite the following setences as directed. 36. Ba isn’t rich. He won’t travel around the world.  If Ba were _____________________________________________________________________
37. I’m not rich, so I can’t buy that house.  If I were ______________________________________________________________________
38. I can’t give you a ride because I do’t have a motorbike.  If I had ________________________________________________________________________
39.Water these plants or they will die.  If you don’t ____________________________________________________________________
40. Hurry up or we’ll be late for the concert.  I we don’t _____________________________________________________________________
41. You don’t save electricity. You pay a lot of money. ______________________________________________________________________________
42.We don’t have enough money, so we don’t buy those new comics. ______________________________________________________________________________
43. She is not free today, so she can’t go to the movie with her friends. ______________________________________________________________________________
44. He is so lazy. He fails the final exam. ______________________________________________________________________________
45. The weather is not fine. The children don’t play outdoors. ______________________________________________________________________________
46. Thu cannot swim, so she doesn’t go to the swimming pool with her friends. ______________________________________________________________________________
47. People don’t see the UFO, so they don’t call the National UFO Reporting Centre. ______________________________________________________________________________
48. She doesn’t keep the refrigerator door closed, so she cannot save the energy. ______________________________________________________________________________
49. There is much traffic, so the air is polluted by the waste smoke. ______________________________________________________________________________
50. Ba isn’t fast enough to catch the school bus. ______________________________________________________________________________
Fill in each blank with a suitable word in the box.
--planet – aircraft – objects – sky – meteor
– spacecraft – UFO – in--
UFOs are strange flying ______(51) that some people report that they have seen in the ______(52) and believe to be ______(53) from another ______(54) Many scientists do not believe so. They say if people see a ______(55), it might be an ______(56), a weather balloon or a ______(57). However, there is still evidence for people to believe ______(58) the existance of UOFs.

1. If I (win/won/had won) ____ the lottery, I (am/will be/would be/would have been) ____ a millionaire.

2. If I (am/were/will be/had been) ____ rich ,I (will quit/would quit/quit) ____ my job.

3. I (travel/would travel/will travel) ____ around the world if I (quit/will quit/would quit) ____ my job.

4. I (buy/will buy/would buy) ____ anything I want if I (get/got/will get/would get) ____ that jackpot.

5. I (buy/will buy/would buy/would have bought) ____ the most expensive car if (want/wanted/will want/would want) ____.

6. If I (travel/traveled/would travel) ____ somewhere, I (stay/will stay/would stay/would have stayed) ____ in the most luxurious hotels.

7. But I (am not/will not be/would not be) ____ too materialistic if I (have/had/will have/would have) ____ millions of dollars.

8. I (help/will help/would help) ____ the poor if I (become/became/had become) ____ a millionaire.

9. I (give/will give/would give) ____ some money to charities, if I (am/will be/would be/were) ____ rich.

10. If I (have/had/will have/would have) ____ millions of dollars, I (am not/will not be/would not be) ____ mean.

1.Nam is such a boring person because he works all the time. -> If Nam 2. You haven't got a pen, so you can't write down the address. -> If you.... 3.They ate lunch. Then, they went to the bank. -> After they 4.If Ba were rich, he would travel around the world. -> Ba isn' 5.Andrew can't give you a ride because he don't have a motorbike. -> If Andrew had 6.If you don't water these plants, they will die. -> Water these 7. If you aren't in a hurry, you will be late for the concert. -> Hurry

1 where ................... you go if you have a car ? a will b are c would d were 2 you will fail the exam , ...........................you study harder a as b if c unless d although 3 if i ............................ a bird , i would be a dove a are b were c am d is 4 if today .............................sunday , we .......................to the beach a is / would go b were / would go c will be / will go d were / will go 5 if it .................... this morning , i will not to out a rain b rained c rains d raining 6 nobody hates you ! it is all in your ......................................... a imagine b imaginary c imagining d imagination 7 i am poor , so i can not buy a car a if i am rich , i can buy a car b if i were rich , i can buy a car c if i were rich , i could buy a car d if i were rich , i will buy a car 8 water these plants or they will die a if you did not water these plants , they will die b if you water these plants , they will die c if i do not water these plants , they will die d if you are watering these plants , they will die 9 where is lan ? _parhaps she is working a she may be working b she can be working c she must be working d she will be working 10 nam will probalby be there a nam is here b nam might be there c she must be there d nam might not be there 11 the house ............................. shakespeare was born is open to the public a where b which c that d when 1 2 a .......................... was a person who went through city streets shouted the latest news a town crier b magician c singer d clown 13 if he spoke english more slowly , she ......................... so many mistakes a will not make b would not make c did not make d made