KEYS:1  taught , say , watch , doing , different , jobs , factories , been , believe , even .

KEYS:2  interested ,called , hospitals , zoo , ways ,ill , medicine , heart , operate , owners

KEYS:3  saw , whether , nothing , address , remember ,During , lost , where , older , surprised .

KEYS:4  everyone / everybody,night,enough,time,put,breakfast,usually,smile,world,. remember

KEYS:5  1. busy   2. lives  3. summer  4. boat  5. breakfast

6. school  7. shop  8. never  9. watching  10. Perhaps

KEYS:6  store , help , anything , want , in , tells , buy , either , read , surprise .

KEYS:7  bought , washed, wear, change, money, hot, looks/seems, instruction(s), before , either ,

KEYS:8  foreigner,careful,rives,busy,dangerous,remember,moves,take,wrong  floors

KEYS:9  most, answer, kinds, into, times, drinking, used, much, give, care

KEYS:10  trouble(s), only, Instead , cook, others, different, speak, shoes, everyday, means

KEYS:11  since, looking, animals, pay, founds, needs, enough, end, except, put

KEYS:12  instead, example, quite ,gives, different, for ,look ,times, making, factories

KEYS:13  universe , between , far , around , by , into , about , receiving , from , smaller .

KEYS:14  1. same    2. doesn’t      3. know4. parents5. few 6. ever7. better8. because9. have   10. learn

KEYS:15  how, showed, down , move , strange , because , flying, either, bring , enjoy