根据句意,从下面选择合适的短语按并用其适当形式完成句子
worried about,at all,learn about,look like,in different seasons
1、Look!The cloud in the sky ------ a horse.
2、Farmers grow different crops -------.
3、Who told you that?I don’t know David ------.
4、If you want to ------ the history of our country,I suggest you go to the Palace Museum.
5、Are you really ------ the result of the exam?Don’t be so nervous and take it easy.