( )the project on time, they had to work late into the night for several days.
A、Complete
B、Completed
C、To complete
D、Completing
I.Phonetics(5 points)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 identify the one that is different from the others in pronunciation. Mark your answer by blackening the corresponding letter on the Answer Sheet.1.( )