谁的模型飞机飞得高,你的还是我的?
Whose model plane flies higher,yours or mine?
大卫的头发比刘涛的长吗?不.
Is David's hair longer than Liu Tao's?No,it isn't.
大卫英语学得好吗?是的.
Does David study English well?Yes,he does.
南希善于数学吗?是的.
Is Nancy good at math?Yes,she is.
南希语文学得不好.
Nancy does badly in Chinese study./ Nancy doesn't do well in Chinese study.
汤姆不善于体育.
Tom is not good at P.E.