– Have you ________ been to New York?-- No, ________. 

-- ____ __ have you been at this factory? -- Since 2000.

 --- _______ does your cousin like koalas? --- Because they are very cute.

—How often does the programme Xiuhuliaozhai come out on YWTV? —It comes out every Saturday, it’s a ________ programme. 

—  can you finish the report on food safety?—  In two days.