III. Give the correct form of the verbs in brackets. (1pt)
1. Before she watched TV, she (do) _______________ all her homework.
2. Chess (play) _______________ for about two thousand years.
3. If we use water carefully, more people (have) ______________ fresh water.
4. What would you do if you (see) _______________ a ghost at night?
Part 2: Give correct form of the words in the brackets to complete the following sentences. (1 pt)
1. Before she watched TV last night, she (do) _______________ all her homework.
2. If we use water carefully, more people (have) ______________ fresh water.
3. What would you do if you (see) _______________ a ghost at night?
4. A new car (buy) _________________ by her last Sunday.
V. Write the correct form or tense of the verbs in brackets.
1. Humans ___________________(fuse) the power of moving water for more than 2,000 years.
2. I’ll call you at 8 o’clock tonight. What ____________(you/do) then?
3. At present, global demand for energy__________(increase) rapidly.
4. Three years ago. we____________9install) a solar water heating system on our roof
5. What _____________(happen) if non-renewable resources run out?
6. A small hydropower plant_________________(build) on the river in ten years time. .
7. If the electricity________________(make)from wind turbines, it is green.
8. Burning fossil fuels ________________(emit) gases that are harmful to the environment.
9. We decided___________(invest) our time and effort on this new research project
10. You should avoid _______________(use) cars or motorbikes for short trips.
giải thích giùm tớ với aaa
IV. Give the correct form of the verds in brackets to complete the following sentences.(1pt)
1, She was sorry for what she (do)________________.
2, We (email)_____her if we had her address.
3, With commercial space travel, we (take) _______ minerals from the moon at this time in 2030. 4, This is the first time he (see) ________ a UFO.
BÀI TẬP VỀ NHÀ
III. Put the verbs in brackets into the correct form.
1. We ____________ (stay) at home if it rains.
2. She will call you if she ____________ (have) time.
3. If it _________ (not rain) tomorrow, we will go for a picnic.
4. If everyone _______(recycle) paper, metal and glass, we _____ (not produce) so much rubbish.
5. If you ________ (not water) plants, they ________ (die).
6. If the weather __________ (be) bad, we ________ (not go) to the park.
7. We _____ (save) thousands of trees if we _______ (not waste) so much paper.
8. What _______ (happen) if we _______ (keep) polluting the environment.
9. If we ________ (not stop) cutting down so many trees, we ______ (endanger) our oxygen supply.
10. If people ________ (dump) chemicals into rivers, they _______ (not be) able to swim in them in the
1 She(do) her homework everyday 2 i ( watch) tv late last night 3 we ( live) there since last month 4 hoa enjoys (cook) 5 what else did the woman (have) to do 6 i (drink) some water before i sang 7 you'd read a story before you(do) the homework 8 they(make) a cake yesterday 9 he(watch) a soccer match every sunday 10 where (be) you yesterday
II. Give the correct form of the verbs in brackets. (1 pt)
1. We’ll save thousands of trees if we (not waste) paper.
=> ____________________________
2. If there was no fresh water in the world, what (happen)?
=> ____________________________
3. Most people (leave) before the storm struck the city.
=> ____________________________
4. A lot of rivers and lakes in this area (contaminate) every year.
=> ____________________________
IV. Put the correct form of the verbs in the brackets. (1pt).
1. He went to bed after he (finish) ______his homework last night.
2. This house (build) ______ 10 years ago.
3. He would help the poor if he (have) _________ a lot of money
4. The film (start) ______at 8.00 tonight.
IV. Give the correct tense/ form of the verbs in brackets. (1.0 pt)
1. Before I arrived at her house, she______(go) out for shopping.
2. If it rains today, we (not/go) ______ for a picnic.
3. The telephone rang while we (have) ______ dinner.
4. He (learn) ______English since he was ten.
Exercise .Put the verbs in brackets in correct tenses.
1. If we meet at 9:30, we (to have) ________ plenty of time.
2. Lisa would find the milk if she (to look) _______ in the fridge.
3. If you spoke louder, your classmates (to understand) ……_ you.
4. Dan (to arrive) ___________ safe if he drove slowly.
5. If you (to swim) ________ in this lake, you'll shiver from cold.
6. The door will unlock if you (to press) _______ the green button.
7. I (to call) _________ the office if I was/were you.
