A. significant B. cut down C. English class D. college A. save B. accompany C. undertake D. wrote A. popcorn B. koala C. Paris D. cod A. delicate B. just a moment C. speed D. kill A. leg B. can't help doing C. up D. idiom A. tofu B. generate C. cat D. out of order A. animal-lover B. ordnance C. tree D. rice dumpling A. purchase B. zoo C. master D. mop A. over B. town house C. been D. for example A. operator B. down C. blur D. homeroom