A. radio frequency B. maths C. wash D. physical A. class B. regular C. tragic D. brief A. commercial B. stand for C. annual D. fritter A. duty B. go on C. impending D. homeland A. latch B. Greece C. blanket D. qualification A. noon B. some C. participate D. as well A. set the table B. wall C. wreath D. examine A. tear B. take part in C. than D. hidden A. swift B. vertically C. shy D. keep away A. gust B. glory C. unusual D. dragon dance