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3. hunt (vt.)----hunter(s)

2. sad (adj.)---- sadly (adv.)---- sadness (n.)

1. kangaroo(s) / radio / zoo / photo

17. be sure to do sth. 肯定，一定　 / 確保，務(wù)必make sure to do sth./ make sure that從句

8A Unit 4

16. look seriously / badly / terribly ill

15. receive / get a letter from sb. = hear (heard) from sb.

14. win (won/ won) --- winner　　 lose (lost/ lost) ----loser ---- loss (n.)

　 win a game / match

beat (beat /beaten) sb. / team

13. luck --- lucky (adj.) --- luckily (adv.)　　 unlucky ---- unluckily

12. prepare (v.) / get ready to do sth.

11. decide (v.) to do sth. / make a decision to do sth./ make up one’s mind to do sth.