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66. 你的iPhone4s好酷呀！
▲ your iPhone4s ▲ !
67. 水是生命之源，请节约每一滴水。
There is ▲ water. Please ▲ every drop of it.
68. 他的机器人不但会做家务，而且还会像雷锋那样乐于助人。
His robot can ▲ do housework but ▲ to help others like Lei Feng.
69. 在业余爱好上花些时间对我们来说是必要的。
It is necessary ▲ ▲ ▲ on our hobbies
70. 我们学校有三分之一的老师宁愿步行也不开车上班。
▲ of teachers in our school would ▲ to school ▲ drive their cars.
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我非常感谢你邀请我参加你的生日晚会。
I am ________ ________ you ________ ________ me to your birthday party．
朗读下列对话，然后与你的同桌进行问答练习。
(1)－What are you doing?
－I'm watching TV.
(2)－What is he doing?
－He's doing homework.
(3)－What is she doing?
－She's cleaning.
(4)－What are they doing?
－They're eating dinner.
(5)－What are you doing, Steve?
－I'm reading a book.
－Do you want to go swimming?
－Yes, I do.
(6)－Do you want to go to the movies?
－Sure, this video is boring.
－When do you want to go?
－Let's go at six o'clock.
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