根据句意和汉语提示写出单词的正确形式。
1．In the afternoon they went to all exhibition of ________（现代）art．
2．A man from Canada spent a summer in our ________（村子）．
3．Most of them were surprised to hear my ________（决定）．
4．--When did Columbus ________（发现）America?
--In 1492．
5．Children of all ages should be outdoors ________（几个）hours a day．
6．People think it is ________（无礼）to talk loudly in public places．
7．Never ________（争吵）with your parents or teachers．Be polite to them．
8．The girl felt nervous ________（尤其）when the teacher asked her questions．
9．I think kids should learn to plan things for ________（自己）．
10．Wang Lin has a ________（俄罗斯）pen pal，and my pen pal is from Australia．
1．modem 2．village 3．decision 4．discover 5．several 6．impolite 7．argue 8．especially 9．themselves 10．Russian