4、______it_____75cents.4.自从我是一个孩子的时候我就拥有它们。I’vehadthem________ I ______achild.【达标检测】:1.--____haveyoubeenmarried?--Fortwentyyears.A.HowfarB.HowoftenC.HowlongD.Howsoon2.Ifyousitinachair____alongtime,yourbackmaybegintohurt.A.atB.inC.onD.for3.--Ioftenhavehamburgersforlunch.--You’dbetter