练吧6加1黑龙江教育出版社九年级英语仁爱版
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I. 写出下列动词的过去式和过去分词。1. is 2. improve 3. go 4. become 5. see 6. find 7. enjoy 8. come
答案：1. was; been 2. improved; improved 3. went; gone 4. became; become 5. saw; seen 6. found; found 7. enjoyed; enjoyed 8. came; come
解析：1. is为不规则动词，过去式was，过去分词been；2. improve为规则动词，直接加-ed；3. go不规则，过去式went，过去分词gone；4. become不规则，过去式became，过去分词become；5. see不规则，过去式saw，过去分词seen；6. find不规则，过去式和过去分词均为found；7. enjoy规则动词，加-ed；8. come不规则，过去式came，过去分词come。
II. 根据语境或所给单词提示填空。1. Helen isn't here now. She ______ (go) to Italy. 2. The girl is a volunteer. She comes from ______ /'æfrɪkə/. 3. They jumped rope and played catch, waiting for the ______ /bel/. 4. They ______ (volunteer) to clean up the park last weekend. 5. Have they ______ (come) back to their hometown?
答案：1. has gone 2. Africa 3. bell 4. volunteered 5. come
解析：1. Helen现在不在，去了意大利（未回），用现在完成时has gone；2. 音标/'æfrɪkə/对应单词Africa；3. 音标/bel/对应单词bell；4. last weekend提示用一般过去时，volunteer过去式volunteered；5. 现在完成时中，come的过去分词为come。
III. 根据要求完成下列各题。1. A: Long time no see!（情景交际）B: ______! How have you been? 2. A: ______ in Fuzhou, John.（情景交际）B: Yes, I can see that! The city looks different now. 3. The stone is too heavy for me to move.（改为同义句）The stone is ______ heavy ______ I can't move it. 4. 顺便告诉你，我们的家乡变得越来越漂亮了。（翻译句子）______ the way, our hometown ______. 5. She has chosen a red dress for the party.（改为一般疑问句）______ she ______ a red dress for the party?
答案：1. Long time no see 2. Fuzhou has changed a lot 3. so; that 4. By; has become more and more beautiful 5. Has; chosen
解析：1. “Long time no see!”的常见回应为“Long time no see!”；2. 根据B的回答“城市变了”，A应提及福州的变化，故填“Fuzhou has changed a lot”；3. too...to...可转换为so...that...（否定）；4. “顺便告诉你”为By the way，“变得越来越漂亮”用现在完成时has become more and more beautiful；5. 现在完成时一般疑问句将has提前，动词过去分词不变。
IV. 看图写话。1. have, be 2. have, go 3. he, just 4. so...that, enjoy 5. yesterday
答案：1. They have been to the Great Wall. 2. He has gone to Australia. 3. He has just gone to the library. 4. She is so interested in reading that she enjoys it very much. 5. He took photos yesterday.
解析：1. 结合“have, be”及可能的图片（如长城），用现在完成时have been to；2. 结合“Australia”提示，用has gone to；3. 结合“Library”图片，用has just gone；4. 结合“读书”图片，用so...that...结构和enjoy doing；5. 结合“拍照”图片及yesterday，用一般过去时。
