题一: i’ve been working for over twenty years and seldom so tired as now. a.i have felt b.i had felt c. have i felt d. had i felt 题二: not only ________interested in football but ________ beginning to show an interest in it. a. the teacher himself is…all his students are b. the teacher himself is…are all his students c. is the teacher himself…are all his students d. is the teacher himself…a