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academic vocabulary in use edition with answers download

Grammar in use intermediate with answers

Grammar in use intermediate with answers

TOEFL - IELTS - TOEIC

... continuous: I/he/she/it was playing/doing/working etc. we/you/they were playing/doing/working etc. B. We use the past continuous to say that somebody was in the middle of doing something ... is still raining. How long has it been raining? It has been raining for two hours. We often use the present perfect continuous in this way, especially with how long, for and since The activity ... clauses 91 Relative clauses (1)-clauses with who/that/which 92 Relative clauses (2)-clauses with or without who/that/which 93 Relative clauses (3)-whose/whom/where 94 Relative clauses...
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