Thesearethetwosimple的精选

问题详情：阅读下面的短文，然后按照要求写一篇150词左右的英语短文。Thesearethetwosimplewords,"if'and"what".Thesetwowordscanbeusedinmanysentencesandquestionsbythem,selves,butifyouputthemtogether,itformsa...