完成句子（每空1分，共8分）
根据所给提示，完成句子，每空一词，含缩略词。
【小题1】Tony did his homework just now. (改为否定句)
Tony didn’t do were grown his homework just now.
【小题2】The workers grew many flowers in Chongqing Expo Garden. (改为被动句)
Many flowers learns by heard from in Chongqing Expo Garden.
【小题3】The exchange student often teaches himself Chinese. (改为同义句)
The exchange student often Chinese himself.
【小题4】我已经有一个月没有收到她的来信了。(完成译句)
I haven’t her for one month.
网友回答
解析：
【小题1】结合语境可知本句是一般过去时态，故助动词用did，同时将行为动词did变为原形。故填：didn’t do
【小题2】结合语境可知本句为一般过去时态，主语the workers是复数形式，故系动词用are的过去时态were，填：were grown
【小题3】上文句意为：这个交换生常常自学中文。结合语境可知本句一般现在时态，故填：learns by，通过……学习。
【小题4】结合语境可知考查短语hear from受到……的来信。联系前文助动词have可知填过去分词heard from。