( If you don't study hard ),you will be poor at your lessons.是两道题啊!第一道几个空？4个1 （ If you study hard ) , you will be good at your lessons.如果你努力学习，你就会把功课学好。 2 ( If you don't study hard ),you will be poor at your lessons. 如果你不努力学习，你 的功课就不会好