It's______ a long time since I started to teach at this school为什么

It's______ a long time since I started to teach at this school为什么 It's also bad for eyesight to watch the computer s______ too long. it's too hot.i want to take a s______ It's A Long It's a long ti's raining heavily again .will it last long ?a. of course not b. that's impossible c.i'm afraid so d. i'm afraid not Ti A mo Take it at all的意思Ti A mo Take it at all will i last long.no,it won'ti hope ___________这次填什么 Ti a Ti a mo she cuts her long hair s______ When’sWomen’sDay?It’s______ it's a long road It's been a long It has a long neck . it's been a long Have It All (Ti What's this?It's______S.A.a B.an C./ D.the It’s______(safety)for us to wear a belt when we drive cars.这个填啥啊?