12.I feel very excited__ the thought of joining my family in a week..
A、on
B、for
C、at
D、in
Directions:In each of the following groups of words,there are four underlined letters or let-ter combinations marked A,B,C and D.Compare the underlined parts and iden-tdtify the one that is different from the others in pronunciation.Mark your answerby blackening the corresponding letter on the Answer Sheet
A、actress
B、business
C、excess
D、endless
14.Despite the sudden breakdown of the General Manager,__work is going on in the company.