A. spare time B. lots of C. mood D. by hand A. loan B. conservation C. grow up D. teenager A. fluency B. apartment C. T-shirt D. unhappy A. drive B. spare C. uncrowded D. praise A. care about B. run out of C. delight D. millipede A. comeback B. attach to C. communicate D. suppose A. play the piano B. manage C. flow D. leap A. icy B. believe in C. generation gap D. squall A. treat B. guestroom C. somewhere D. virus A. unable B. childhood C. chemistry D. fail