92. We must devote every effort to finish the task on time.

91. You had better go and see him, didn’t you?

90. The computer is an useful machine that can do many things for us.

89. People both at home and abroad have been great helped by the new computer.

88. Thanks the teacher’s help, I have made great progress in my English study.

87. It is much easy to make plans than to carry them out.

86. “You will be late for school unless you will get up at five.”said mother.

85. What did you do in the evening of May Day?

84. Tell me how long she will be back, in ten days or a week?

83. A hundred of people attended the meeting last night.