1. Rewrite the sentences.
1) When shall we go to see our teacher?
I’ m not sure ______________________.
2) Can they finish the work in time?
I’m not sure ______________________.
3) The little girl is waiting for us.
I’m sure ______________________.
4) What shall I do to help him?
I’m not sure ______________________.
5) How can we solve the problem?
I’m not sure _____________________.
2. Fill in the blanks with proper articles.
1) Yesterday I saw________ girl in the street. I don’t know the nationality of________ girl.
2) –There is_________ green apple and _________ red one on the table. Which one would you choose?
–Of course. I’ll have ________ red one.
3)_________ earth moves round________ sun.
4) There was_________ strange man asking for you just now.
5) That’s ________easy job.
Keys: 1.l) I’m not sure when we shall go to see our teacher.
2) I’m not sure if/whether they can finish the work in time.
3) I’ m sure the little girl is waiting for us.
4) I’m not sure what I shall do to help him./what to do to help him.
5) I’m not sure how we can solve the problem./how to solve the problem.
2. l)a, the 2)a, a, the 3)The, the 4)a 5)an
Step 7 Homework
1. Tell the story of Bill Gates to your friends or parents.
2. Do exercises on page 111.
3. Finish off the workbook exercise.
Writing on blackboard
Lesson 91
Language points Drills
1. millions of I am sure. . .
2. decide to do sth. I am not sure...
3. give away sth.
4. It’s+ adj. +for sb. to do sth.
5. I’m sure that . . ./ I’m sure if . . .
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