Hopefully this will help. I have finished the sentences in bold and the given word has been underlined.
26. The power sensor reports low battery current to the processor, which <u>prevents</u> the robot from moving.
27. The computer is being <u>used</u> at the moment.
28. The machine has <u>been</u> switched off.
29. You <u>must </u>not park your car on this pavement.
30. He did not need to <u>have</u> air conditioning.
31. It's the <u>most</u> interesting<u /> form of transport I've ever seen/
32. New York is <u>much</u> further away <u />than London.
33. The supervisor said that they will change the filters in the <u>following</u> week.
34. The supervisor asked <u>whether</u> they had repaired the machine the day before.
35. The engineer <u>agreed</u> to paint the tank.
36. The engineer <u>told</u> James he must work harder.
37. Jim asked <u>to</u> close off the valve.
38. The customer asked the shop assistant <u>how</u> much water it will save.
39. You don't <u>have</u> to use wood. Plastic is necessary.
40. You are <u>not</u> permitted to build within one meter of another building.
41. He asked <u>if</u> I could help him with those tools.
42. He <u>suggested</u> opening a new factory in Leeds.
43. I <u>have</u> never been on an oil rig before.
44. I have worked here <u>since</u> 1990.
45. The prototype hasn't <u>been</u> tested yet.
46. He has been working on the project <u>since</u> joining R&D
47. Reinforced concrete has been <u>used</u> on the decks of suspension bridges.
48. Various additives have been added to improve the mechanical, physical, or chemical properties of plastic.
Answer:
A star's gases' can burn for a long time
Explanation:
The word marked in bold in the sentence above is the word that has an error. The correct thing would be to write the word "gases" without using the apostrophe (') after the last "S", since the apostrophe is used to cause the impression of possession and it has already been used, correctly in the word "Star's".
The 4 possibilities are :
therefore.......
as you can see....
in conclusion ....
The answer would be Everyone needs to recycle their paper, bottles, and cans.
