He()late into the night, but now he goes to bed early due to health reasons.
A、used to work
B、used to working
C、is used to working
D、is used to work
Researchers are trying to()what’s wrong with their experiments.
A、pull out
B、call out
C、take out
D、figure out
3. Directions:In each of the following groups of words, there are four underlined letters or lettercombinations marked A, B, C and D. Compare the underlined parts and identify theone that is different from the others in pronunciation. Mark your answer by blackeningthe corresponding letter on the Answer Sheet.()