19.The university regulations require that the students__ at least 90% of the lectures.
A、attended
B、to attend
C、would attend
D、attend
14.Despite the sudden breakdown of the General Manager,__work is going on in the company.
A、usual
B、routine
C、normal
D、regular
Directions:In each of the following groups of words,there are four underlined letters or letter 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 answer by blackening the corresponding letter on the Answer Sheet。