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A:Hey,Lisa.Have you got the result of the Chinese exam?B:Yes.You got an A again.You're so good at Chinese!I think it is verydifficult.(71)Do you learn...

B:She did sports every day and she had to go on a diet.A:I see.(74)Why did she decide to lose weightB:She decided to lose weight because she wanted to...

B:(73)No,I don'tWhat did it look like?A:Well,it had no pedals or chains(踏板或链条).And it was made of wood.B:Really?(74)How did people ride itA:Look!...

4.As a programmer,he often works on hislaptop tuntil four in the morning.5.Jack is interested in spaceships(spaceship)andhe dreams of being an astrona...