99. He said he　　　　 　(come) today, but we haven’t seen him yet.

98. Students under 16 can’t　　　　 　(allow) to play computer games here.

97. No matter how hard it is, we’ll keep　　　　 　(try) until we make it.

96. My classmates　　　　 　(clean) our classroom. Look! It’s very clean.

95. He _______ ( prefer) English to maths. So he does well in it.

94. He finished his homework just now. And he went on　　　　 　(read) some newspaper.

93. Don’t make any noise. The students　　　　 　(take) an exam.

92. The train _____ (leave ) when I got to the station last Sunday. I had to wait for the next.

91. The manager was walking in the street when he　　　　 　(see) a friend of his.

90. He is the best teacher that I have ever met.

　 I have　　　　 　met　　　　 　a good teacher before.