If we read more books,we will know more.如果我们多读书,就会懂得更多.
If we treat people sincerely,we will have more friends.如果我们待人真诚,就会有更多的朋友.
If I don't write my homework,I will be criticized by the teacher.如果我不写作业,我就会被老师批评.
If we don't care for the animals,they are endangered.如果我们不爱护动物,它们就会濒临灭绝.
If you use sincerely treats people,they will treat you sincerely.如果你用真心待人,他们会真诚地对待你.