四、词汇检测（共10小题；每小题1分，满分10分）

根据下列句子及所给汉语注释或通过上下文，在答题卡上标有题号的横线上，写出空缺处各单词的正确形式。每空只写一词。

41.Helen    ▲    (点头) with a smile when she met me.

42.Becky    ▲    (明智地) decided to tell us the truth.

43.Justin lay back and enjoyed the    ▲    (安宁) of the summer evening.

44.The bank is    ▲    (在…对面) the supermarket, on the other side of the road.

45.My cousin used to be very interested in    ▲    (收集) postcards.

46.Edison is one of the greatest    ▲    (发明家) in the world.

47.Mr. Green often    ▲    (惩罚) his children by not letting them play games.

48.― Thanks for lending me the book Black Beauty.

― Don’t    ▲    it.

49.― What’s the    ▲    of the elephant?

― About two tons.

50.― Have you drunk all the milk?

― Yes. Look, the bottle is    ▲    now.