Thank you means that you recognize that
"Thank you" means that you recognize that someone has done something for you. Thus we thank people all day ( 1) even for the smallest, most ( 2) things. If a waitress brings you a ( 3) of coffee, you say "Thank you". When you ( 4) your food and get your ( 5), you say "Thank you" to the ( 6). If someone gives you ( 7) in the street, you say "Thank you". If someone ( 8) you to dinner, you say "Yes, thank you, I'd ( 9) to come." However, that's more than (10). Excessive expressions of gratitude (11) Westerners extremely (12) and gives a sense of (13) thanks, a sense of formal or required Kowtowing (叩头) which does not (14) gratitude but insincerity. For example, if your advisor spends a half-hour of his time (15) you edit some letter you've just written, you will (16) to say "Thank you, I really (17) your time." But one or two phrases of that (18) is enough. If you go on and on (19) statements about his kindness, the person will feel not thanked but (20) and will not be anxious to help you again.
  1A.long       B.round       C.over       D.about
  2A.ordinary     B.tiny       C.usual       D.often
  3A.bottle      B.tin        C.can        D.cup
  4A.pay back     B.pay off      C.pay up      D.pay for
  5A.coins       B.change      C.bills       D.charge
  6A.customer     B.cashier      C.principal     D.postman
  7A.suggestion    B.direction     C.hints       D.interview
  8A.orders      B.brings      C.demands      D.invites
  9A.want       B.love       C.need       D.move
  10A.efficient     B.enough      C.full       D.certain
  11A.take       B.do        C.make       D.cause
  12A.unhappy      B.unlucky      C.unlikely     D.uncomfortable
  13A.empty       B.full       C.grateful     D.troubled
  14A.indicate     B.tell       C.signify      D.direct
  15A.helping      B.to help      C.on helping    D.helped
  16A.want       B.use        C.need       D.bother
  17A.waste       B.appreciate    C.spend       D.cost
  18A.sort       B.type       C.variety      D.style
  19A.to        B.through      C.with       D.by
  20A.dissatisfied   B.annoyed      C.hated       D.disturbed