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

--Almost 5 years．

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

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

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

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

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

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

从方框中选择恰当的词或短语并用其正确的形式填空。

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

50．On April 23rd，World Reading Day，Premier Wen Jiabao made a speech at the National Library in Beijing．He _________(鼓励)Chinese people to read more．

B．根据对话意思和所给首字母，写出完整正确的单词。

John：What are you talking about，Alan?

Alan：We're having a(51)d________ about our new chairperson of the Students' Union．

John：Who do you think would be the(52)m________ suitable one?

Alan：Jill．He is hardworking．We all think he is a(53)h________ boy because he is always ready to help others．

John：Who(54)e________ do you think is suitable，Bobby?

Bobby：I recommend Paul．He is clever，and he is easy to get(55)a________ with．We all like making friends with him．

John：I think either Jill or Paul would be suitable．

49．Be careful with these _________(小刀)．They are very sharp．

48．With the help all over the world，the children in Sichuan are living _________(幸福地)．