填入所缺单词完成句子.
1.We can see them in summer.Theyare small.They are rough.They are red.There are black dots on them.Some are sweet and some are sour.People like them very much.They're_____.2.It's an instrument.If we have a cup,some rice or beans,some paper and some string.We can make it by ourselves.It's a/an _______.