Vocabulary -week two 1.     alert (adjective) \ə-ˈlərt\ -able to think clearly and to notice things ...

  Vocabulary –week one 1.susceptible (adjective)-able(suffix) - easily affected, or harmed by someth...

something about oral presentation 1.Good morning,everyone .we are students from department of Specia...

1.reason why we need CD at the back of this book. -because it's there -help me revise the pronouncia...