A. danger B. physicist C. needle D. time A. practise B. hang on C. on purpose D. long long ago A. auditory B. home and abroad C. agree D. predominant A. pair B. accustomed C. conductor D. illiterate A. agree with B. conspire C. crest D. relation A. Friday B. search C. drill D. shy A. fifth B. one by one C. sang D. conversation A. ultimate B. do C. word D. veritable A. customize B. color C. advise D. Breathtaking A. dictionary B. distant C. seal D. Pleased to meet you