6. If/ it/ not rain/ tomorrow/ I/ go/ camping/ my friends. - _______________________________________________________________________________.

7. If/ I/ meet/ alien/ outer space/ I/ invite/ home/ talk. - _______________________________________________________________________________.

8. I/ never/ travelled/ by/ air. - _______________________________________________________________________________.

9. The students/ study/ for exam/ now. - _______________________________________________________________________________.

10. It/ be/ such/ cold day/ we/ decide/ not/ go out. - __________________________________  

Write the correct tense of form of the verbs in brackets. GIẢI THÍCH GIÚP MÌNH VỚI Ạ

1. In 1947 pilot Kenneth Arnold ............. (spot) nine shiny, unidentified flying objects flying past Mount Rainier.

2. What .......... (happen) if aliens made contact with Earth?

3. He wanted to know how NASA ............. (communicate) with spacecraft.

4. Almost the same as Earth, a day on Mars .............. (have) 24 hours, 39 minutes and 35 seconds.

5. Nick said that he ......... (see) a UFO land in a grassy area the day before.

6. Captain Ray Bowyer gained clear views of two UFOs when he ............ (fly) in the English Channel.

7. So far, only two spacecraft ............. (fly) to Mercury to collect data.

8. Sue asked her teacher how long it .......... (take) to travel to Mars.

9. Neptune ............... (discover) on September 23, 1846 .

10. NASA hope they ........... (be) able to send people to Mars by 2030.

36. If/ it/ not rain/ tomorrow/ I/ go/ camping/ my friends.
- _______________________________________________________________________________.
37. If/ I/ meet/ alien/ outer space/ I/ invite/ home/ talk.
- _______________________________________________________________________________.
38. I/ never/ travelled/ by/ air.
- _______________________________________________________________________________.
39. The students/ study/ for exam/ now.
- _______________________________________________________________________________.
40. It/ be/ such/ cold day/ we/ decide/ not/ go out.
- _______________________________________________________________________________.

1 tom studies hard ....................pass the final exam a to b so that c in order that d less 2 he had this mother .........................his new shirt a iron b to iron c ironing d ironed 3 your car is much more expensive than................................ a i b me c my d mine 4 what would you say if you .............an alien ? a meet b met c to meet d meeting 5 this work needs ..............on time a finish b to finish c finishing d to finishing 6 if you have good qualifications , you will have a good ...................... a vacation b work c job d holiday 7 he wants to have a trip .............space a to b into c in d for 8 in 1978 , a pilot and his place disappeared after .................. a ufo a had sighted b sighting c sighted d sights 9 ufos are strange ..................objects a playing b flying c doing d learning 10 a preson who flies a plane is called a .......................................... a sailor b driver c pilot d soldier

1 in 1952 , there were more than 1,500 ufo sightings .....................the world a round b around c on d over 2 in 1964 , he claimed he saw an/a .......................object in one of his fields a egg-shaped b shaped c eggs-shaped d shaped -eggs 3 good evening , welcome to our science for ....................... program a fun b funny c funnily d funniest 4 he is an .......................pilot a experient b experiment c experience d experienced 5 many reports in newspapers talked about the ................of ufos a appear b appearance c experience d experienced 6 most of flims are produced for ....................................... a entertain b entertainment c entertained d entertaining 7 the story about ufos caught the .......................... of the whole class a imagine b imaginative c imaginatively d imagination 8 we can see the micro organism with a ........................................................ a camera b telescope c glasses d microscope 8 mai could play the piano beautifully if she .......................... a piano a owed b owes c owned d owns 9 he said that he met a alien form ....................space a in b above c out d outer 10 scientists say that if people see a ufo , it ........................... be a spacecraft a will b might c is d was

1. Mr. Phong usually (watch) __________ TV in the evening

2. Look ! The birds (teach) __________ their children to fly

3. I (not write) ___________ to Liz for three months

4. If it (rain) _______ this afternoon, the match (cancel) __________

5. I wish I (have) __________ chances to see a UFO

6. Do you mind (close) __________ the window? The wind blows very hard

7. What you (do) __________ at 9 o’clock last night?

8. If you (meet) __________ an alien from outer space, what you (do) ____________?