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從方框中選擇恰當的詞或短語并用其正確的形式填空。

1．There's something wrong with the robot．So everything is ________．

2．A new sports center is being ________ in our city．It will be open to public next year．

3．Thanks for your suggestions．They will be of great ________ to us．

4．--Ben ________ playing football，isn't he?

--Yes，be is．He practises it every Wednesday afternoon．

5．Bob ________ go to school on foot．But now he takes the school bus．

6．Miss Li is always ________ enough to help us solve English problems．

7．--How long has Maggie ________ in Beijing?

--Almost 5 years．

8．School life in Britain ________ school life in China．

9．--What were the twins doing when the telephone rang?

--They ________ tomorrow's picnic．

10．It's time for the game．Let's ________ two groups．