写出下列句子结构的简称

S (subject)   V (verb)   P (predicative)   O (object)   A (adverbial) DO (direct object)       C (object complement)   IO (indirect object)

【小题1】The city looks beautiful.
【小题2】I watch the boy playing football at the playground.
【小题3】Chatting on the internet brings me a lot of fun.
【小题4】The Anti-Japanese War broke out in 1937.
【小题5】In spring the trees turn green.
【小题6】The machine must be out of order.
【小题7】Henry bought a dictionary yesterday.
【小题8】I found most of my classmates friendly and helpful.
【小题9】We are trying to make our city what your city is now.
【小题10】We are looking forward to hearing from you.