Join these pairs of sentences是什么意思

Join these pairs of sentences是什么意思 join the following pairs of sentences,using the attributive join each of the following pairs of sentences,omitting the r Add a,an,the to these pairs of sentences where necessary什么意思 Add "a","an" or "the" to these pairs of sentences where nece Combine the following pairs of sentences. Change these sentences into passive sentences是什么意思 Combine the pairs of sentences by supplying a defining relat Join these sentences with the following relative pronouns... Which of these two pairs of shoes will you take? One of these sentences is sure.翻译 what's the meaning of these sentences?