A. used to B. the same as C. science D. item A. embarrass B. music C. arena D. trouble A. flower B. wretched C. grape D. proper A. Arctic B. hopeful C. glue D. rat A. donate B. subject C. side by side D. debtor A. reputation B. sub-zero C. goodbye D. silly A. achieve B. fruit C. plod D. impolite A. hour B. height C. wallet D. slightly A. desolate B. even C. family name D. mammal A. subway B. group C. peak D. composer