根据句意和汉语提示，填写恰当的短语完成下列句子。

1. ____________________(老实说), we don't like this house.

2. Family _____________________(对……重要) everyone.

3. Frank, don't eat so much candy. You should  ?____________________(好好保护) your teeth.

4. Tony is a problem boy. Many of his classmates ____________________(与……保持距离) him.

5. Having enough sleep is good, but sleeping for so long _________________(对……有害) you.

关于外汇掉期交易的种类，以下说法错误的是（）。

A.隔日掉期

B.即期对远期掉期

C.即期对即期掉期

D.远期对即期掉期