A. Canada B. tool C. junior high school D. sunny A. the Yangtze River B. philosophy C. height D. years old A. by B. during C. react D. be concerned about A. skirt B. China C. kingdom D. viperine A. right away B. inconvenience C. fishing D. theoretical A. bring B. conventional C. sit D. role model A. lecturer B. plantation C. twenty-four D. e-friend A. be connected with B. crest C. apparently D. study A. Swedish B. version C. wriggle D. email A. lecture B. diagnose C. Nigeria D. live