A. e-mail B. up to standard C. illusion D. meal A. talk to B. advanced C. sound D. mad A. tracksuit B. fly C. little by little D. grandparent A. lantern B. dividing line C. unmanned D. cage A. efficiency B. Flag Day C. good evening D. guitar A. shoplifting B. football C. know D. economy A. expertise B. the Dragon Boat Festival C. tough D. bomber A. mechanic B. the Mid-Autumn Festival C. flap D. spare time A. finger B. Thanksgiving C. material D. supplement A. favorite B. zone C. energy D. special