用所给词的正确形式填空。 小题1:The bag is __________(light) than that one. 小题2:I’m sorry to say that there’s nothing ________(eat). 小题3:When I visited them at 7 o’clock yesterday, they _____________(chat) by the fire. 小题4:There are many boys _________(play) on the playground. 小题5:We must send a letter to her. A letter must _________(send) to her. 小题6:What you said makes me __________(confuse) 小题7:He needs _________(spend) time with friends. 小题8:An ad can lead you _________(buy) something you don’t need. 小题9:She ______________(live) here since three years ago. 小题10:____________(receive) money makes me uncomfortable.