连词成句。 1. the, language, is, of, international, English, business _______________________________________ 2. hard, sometimes, business, English, is, to, understand _______________________________________ 3. you, learn, all, the, business , lingo, will, you, need ________________________________________ 4. pay, for, please, courses, by, cheque _______________________________________ 5. easy, are, follow , the , instructions, to ________________________________________