A. what B. take pictures C. support D. sleep A. bike B. these C. focus on D. no mobile phone A. requisite B. underclothes C. presume D. talk A. overweight B. future C. be harmful to D. read A. gift B. children C. police officer D. throat A. evil B. come to life C. China D. visit one's grandparents A. fifty B. disappear C. running D. refund A. mariner B. talk to C. get ready for D. classmate A. listen to B. depth C. many D. librarian A. listen B. reassure C. bleed D. go to sleep