用括号内所给单词的适当形式填空
【小题1】My mother ________ (be) a teacher a year ago. She is now a housewife (家庭主妇).
【小题2】Daniel ________ (stand) up and said hello to his teacher.
【小题3】It’s sunny. Let’s go ________ (camp), shall we?
【小题4】Why ________ (be) they so sad in the photo? What happened to them?
【小题5】Simon ________ (leave) home two hours ago.
【小题6】Did you __________ (watch) I Am a Singer last Friday night?
【小题7】She was busy, so she ________ (not go) cycling with us.
【小题8】—Where did you sleep last night?
——We ________ (sleep) in the tent.
【小题9】The ball ________ (hit) the wall and fell to the ground.
【小题10】Sandy and Maria ________ (be not) at the park yesterday.