One of the biggest problems in food production has always been that people have no reliable access to exact information, ____________ is often the case in China.
—I can't thank you enough for the gift you sent me for my birthday the other day. —________.
—How do you find your visit to the museum, Jane? —________.
—We should believe in ourselves. —________ Selfconfidence is the first secret of success.
—Is this Mr. White's office, Mary? —Yes,________.
—Hi, Tom. Do you still smoke? —________. It's three years since I smoked.