Complete the sentences with the given words in their proper forms（用括号中所给单词的适当形式完成下列句子）：

【1】She is ____________ at dancing than singing. (good)

【2】Shanghai is such a(n)___________ city that so many people come and work here. (nation)

【3】The life in the suburbs is much more _____________ than that in the city. (peace)

【4】We should drink at ____________ eight glasses of water every day. (little)

【5】My parents planned a ____________ trip for their holiday. (please)