81.Two years ago she bought an expensive mountain bike.Then she_____________(说服)me to buy one.

82. Tell your friend that you are  c____________(关心)about him.

83. Every transport has its own advantages and d _____________.

84. The government’s __________(态度) to building subways in Xi’an is very certain.

85. My n__________ language is Chinese.

86. Don’t waste time.We should make good u_____ of our time.

87. Languages are ____________ (频繁地) changed.

88. Some doctors o ____________ (组织)a medical team to go to the flooded