问题描述：
1 That is a bike. 2 My name is Li Ping. 3 She is Rose. 4 My pen is in the bag. 5 Jim is a teacher. 6
50 There is a book in the bag.
51 He eats an apple.
53 He is eating an apple.
55 He will eat an apple.
56 She is going to do her homework.
50 There is a book in the bag.
51 He eats an apple.
53 He is eating an apple.
55 He will eat an apple.
56 She is going to do her homework.
问题解答：
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