this si an useful tool 错在哪?
this si an useful tool 错在哪?
This is an useful tool.这个句子哪里错了?
纠错 The Internet is becomong an useful tool for us.
英语改错The Internet is an useful tool and you can do a lotof th
短文改错:The internet is an useful tool and you can do many thin
Dictionary is ______ useful tool.A an B a C / D
English is a useful tool.
A dictionary is an useful book.这句话错在哪?
This is an useful book .You must read it carefully .哪里错了?
This is__ useful dictionary.填a还是an呢?
英语翻译there is an incompatiblity bettween this tool and the cu
A hobby can be a useful learning tool.怎么翻译