每空只填一词。将答案写在答题卷上。(共10小题，每小题1分)

A: What will you __81___ when you grow up?

B: I'm not certain. I may be a teacher. __82__ about you?

A: I don't have any plans yet. Things change all ___83__ quickly. I'd rather wait and see.

B: In the future, teaching may be ___84__ easier. Students work on computers at home. If they have difficulties, they use ___85__ network to ask the teacher.

A.: And teachers can stay at home. No more chalk and talk in ___86___ of the classroom.

B: There may be no teaching profession any __87__. Computer teachers will teach students ___88__ of human teachers.

A: I don't think __89__. Teachers are ___90__ any time. At least they need to write learning programs and materials.

B: You're right.

80. Peter joined the singing group 2 months ago. (同义句)

Peter _______ _________ in the singing group for 2 months.

79. He has learned to play the piano since he was five years old. (对划线部分提问)

_________ _________ has he learned to play the piano?

78. They were excited at seeing the film. (改成感叹句)

_________ ________ they were at seeing the filming.

77. The plane takes off at 9:15 in the evening. (同义句)

The plane ________ take off ________ 9:15 in the evening.

每空只填一词。将答案写在答题卷上。(共5 小题，每小题2分)

76. He often does his homework after supper. ( 改成一般疑问句)

_________ he often ________ his homework after super?