Unit 61. know about了解2. a French flag法国国旗3. the kings and queens of France法国的国王王后4. defeat the British打败英国人5. at what time of the year在一年的什么时候6. now that既然7. start doing / to do开始做8. think about doing考虑做9. go abroad for the summer holiday去国外度暑假10. Why not do?为什么不做Why dont you do ?What / How about doing ?11. spread ones wings远行12. the capital of 的首都13. the centre of的中心14. an agricultural region一个农业区15. the Eiffel Tower埃菲尔铁塔16. such a