A. canal B. fifth C. go to D. bond A. skim B. minute C. eddy D. pipe A. noodle B. those C. secondary school D. perhaps A. reusable B. care C. nationality D. disused A. flagship B. Olympics C. pay attention D. explore A. flute B. bag C. such as D. hitchhike A. southwest B. invent C. request D. obesity A. teach B. take care of C. on the way out D. afresh A. bewilderment B. shaking C. divide into D. weak A. account for B. make fun of C. the Mid-Autumn Festival D. take a walk