) They are waiting for the bus. 2. 那些飛機(jī)正從橋上空飛過。 ( ) Those aeroplanes fly on the river. (
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) Those aeroplanes are flying over the bridge. 3. 孩子們正在做什么？ (
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) What are the children doing? ( ) What are the children do? 4. 他們正在看那艘船。 ( ) They are looking the ship. (
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) They are looking at the ship. 5. 瑪麗和她媽媽正在廚房做飯。 (
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) Mary is cooking in the kitchen with her mother. ( ) Mary is cooking in the kitchen and her mother.
答案：1. √They are waiting for the bus. 2. √Those aeroplanes are flying over the bridge. 3. √What are the children doing? 4. √They are looking at the ship. 5. √Mary is cooking in the kitchen with her mother.
語法特訓(xùn) 根據(jù)示例，寫出相應(yīng)的句子。 示例：Mrs. Black / cook a meal What is Mrs. Black doing? She is cooking a meal. 1. Tom / read a book
答案：What is Tom doing? He is reading a book.
2. the dog / eat bones
答案：What is the dog doing? It is eating bones.
3. the girl / type a letter
答案：What is the girl doing? She is typing a letter.
4. the man / run after a bus
答案：What is the man doing? He is running after a bus.
5. the children / do their homework
答案：What are the children doing? They are doing their homework.
