16. Mark______when he talks, so it is quite difficult to understand what he says. (A) considers (B) slurs (C) gossips (D) surrenders

22. Why would business in night markets be hit hard? (A) Clouding agents are used as a food additive in fruit juice. (B) The authorities are trying to carry out the inspection of products. (C) Food products are possibly tainted by DEHP. (D) The certificates will not be issued.