If you.........breakfast often,you will have no energy for the morning work.

If you.........breakfast often,you will have no energy for the morning work.
A。leave out B。drop C。give up D。skip

答案是什么？？
谢谢

if you can,you can. If you love something, if you 的歌词！ If you go away if you ____ if you can .... If you are interested If You Love Me if you believe 歌词 If you love me