帮我解答几道英语选择，把你的分析写下，谢谢！

1.Bing___of money, she managed to save enough for a holiday
A economic B economical C economics D economies
2.The only___ for his strange behavior is that he's been working too hard
A explanation B explaining C explain D explained
3.I did very___the first time I look my entrance examination
A poorly B poor C poverty D poorness
4.I'm really very sorry, The whole thing was due to___
A an understanding B a misunderstanding C understand Dunderstood
5.It's so cloudy that I___it's going to rain
A sensible B sense C sensibly D sensitize
6.The___of the soil ruined the crops
A dry B drying C dried D dryness

1.B economical意为“节俭的,精打细算的”

2.A 此题需要名词，只有A选项，意思是“解释”

3.A did是动词，需要副词poorly修饰，译为：拙劣地

4.B 根据语意，B选项最恰当，意思是“一个误会”

5.B 此句需要一个动词，所以排除A和C。又因为D意思“使某事物或某人敏感”不符合题意，选B“感觉到”

6.D 此题需要名词，只有D符合