A. environmental B. cry C. avenue D. virtue A. tons of B. subway C. does D. gust A. guiltily B. tape C. shape D. weird A. sweep B. farther C. furthest D. be ready for A. ride B. I'm afraid C. intelligent D. Antarctic A. passenger B. run down the stairs C. spring D. do some research A. real B. homeroom C. explosion D. frown A. glance B. subscribe to C. coordinate D. sunglasses A. remainder B. embarrass C. farthest D. discourage A. stone B. long long ago C. courtyard D. soup