A. racing car B. learned C. toothbrush D. problem A. play football B. close to C. race D. teach English A. library B. map C. rude D. sunset A. enthusiastic B. concert C. got D. believe A. come out of B. typical C. invasion D. Infallibility A. chopsticks B. biogas C. desolate D. we A. administration B. frightened C. seaweed D. twenty-one A. bungalow B. stand in line C. rate D. dining hall A. the Lantern Festival B. wrestling C. temperature D. librarian A. do exercise B. difficult C. industriousness D. alarmed