4._______(一旦) you grasp the spirit of the language , you will find it easy to learn.

3.Why did he give up this job? ----- Because he was ______ (提供)a better position.

2.Black is the ______ (相反) of white

1.There two _______(官方的) languages in Canada, that is, English and French

30.____________(十一月) is the last but one month of the year.

答案：

natural/necessary/nervous/newspapers/ninth/noisyNowadays/normal/narrowly/nation/nationality

/national/native/nature/nearby/navy/neat/noticed/neighbour/nephews,nieces/Never/nights/Ninety

/nineties/nobody/nodding/normal/north/nowhere/November

　　　　　　　　　　　　　　　　 O

29. He looked the pen every where, but _________(无处) to be found.

28.The couples want to buy a house whose windows face _________(北部).

27.After several days' treatment, Tom came back to his ________(正常) temperature.

26.I greeted the students by __________(点头) to them.

25. He was a ___________(小人物) ten years ago, but now he is a somebody.