66. My sister said to me that he would take a cooking class before he went to college
67. Nam said he really wished he could make informed decisions
68. Mr. Nick said he would go to his village the following week
69. It's important to keep the environment clean
70. I have no idea when to take that English test
71. The prospect of moving to a new flat on the outskirts of Ha Noi cheered me up
72. Why did you dress up yesterday?
73. Although the weather was bad, we went out for a picnic
74. I suggest going to the beach this weekend
75. Although he had a headache, he went to work
76. Because his leg was broken, he didn't take part in the contest yesterday
77. Although the weather was bad, we went out for a picnic
78. He used to have a lot of money, but now he doesn't
79. It has been discovered by scientists that there is water on Mars
80. It is expected that the professor will arrive this morning
