Giúp mình với ạ,mọi đáp án mình đều cho ctlhn ạ

29. Because the number 13 is believed to be unlucky

31. We should replace soldiers with robots because they get sick during battles

32. We should recycle plastic bags and newspapers to protect the environment

33. How often do you play soccer?

34. How many percent of water do showers use in home?

35. How long does it take to get there by bus?

36. What ( kind of activities) can we do?