57. If I have a lot of time, I can do my test at school.
58. My house has 4 robots.
59. If I weren't lazy, I would get good marks.
60. My mother told me to clean my room.
61. There is a noise problem in this house.
62. There will be a robot to help my with my housework.
63. Smart Tv can help me surf the Internet and contact with my friends.
64. They sell the check-out material at the bags.
65. Breathing problem might because of pollution.
66. If we plant more trees, the air will be better.
