【正文】
_ an Englishman. A. Spoken to by B. spoken to C. Spoken by D. spoken old man was quite weak after the accident, so he must _____. A. be taken care B. take care of C. be looked after D. look after 主 動 被 動 +有無被動 husband _____ since 1998 been dead B. has been died C. has died D. has dead weather _____ to be colder and colder. seemed B. was seemed C. seems D. is seem like ___ happened ___ the forests in the US? A. was, on B. was, to C. has, on D. has, to don’t know what ___ last night. A. did he happen B. he happened C. he did happen D. happened to him ___ some songs in her room in the morning. A. heard sing B. B. heard to sing C. was heard sing D. is heard to sing can find many pictures ____ by Xu Beihong in the museum