6.　　 Thomas Edison was a famous _______________ (invent) .

5.　　 Who is the _____________ (two) tallest in your class ?

4.　　 The story-book is very _____________ . We are all ___________ in it (interest).

3.　　 The boy taught ______________ (he) English two years ago .

2.　　 The doctor said that his mother needed an __________________

(operate) at once .

1.　　 _____________ (computer) are the most useful invention in the world .

8.　　 Will you ___________ finis the work tomorrow ?

7.　　 The work is so difficult . No one ___________ do it .

6.　　 When will you ___________ help me with my Chinese ?

5.　　 ___________ you wait a few days for the money ? I’ll return it to you in a few days .