This is an useful tool.这个句子哪里错了?
This is an useful tool.这个句子哪里错了?
this si an useful tool 错在哪?
This is an useful book .You must read it carefully .哪里错了?
纠错 The Internet is becomong an useful tool for us.
That is his an apple.这个句子哪里错了
This is a alarm clock 这个句子哪里错了?..
English is a useful tool.
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
This is an red apple.(哪里错了)
this is my classroom.the waii are white这个句子 哪里错了