A. thumb B. solid C. no longer D. interrupt A. effectiveness B. certificate C. Space Museum D. date A. admire B. resign C. wonder D. for sure A. Tai Chi B. shaking C. fright D. for example A. health B. adolescence C. in debt D. hardly A. earphone B. description C. a lot of D. rapture A. battle B. stand in line C. calcium D. crowded A. pony B. back and forth C. headache D. grimly A. Summer Palace B. pay for C. although D. celebrate A. flashback B. fulfilling C. waste D. set up