A. seven B. waist C. junk D. sun A. scholar B. scare C. spare time D. class A. six B. undertake C. slumber D. till now A. nineteen B. I dare you C. helpline D. attention A. catastrophic B. catastrophe C. dragon boat D. fourteen A. cassette B. two C. tremendous D. infection A. hamburger B. dune C. stare at D. eight A. drive away B. gave C. oblige D. four A. trivial B. criminal C. thirteen D. vanilla A. daily life B. grade C. sea D. talk in English