42 I think I will go to school by e-bus tomorrow.

43 Hot air balloon is not fast as helicopter.

45 Travelling by motorbike has both advantages and disadvantages.

46  Planes will use battery power in the future.

47 I hope taxis will be as spacious as buses in 2100.

48 Passengers will get exhausted if they travel long distances.

49 Rockets are different from jetpacks.

50 Eco-bus will be able to carry up 120 kilograms.

1 -)He doesn't play badminton every afternoon.

?)Does he play badminton every afternoon?

2 -)They don't listen to ENglish every day.

?)Do they listen to English  every day?

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