Unit_8_语法分层练习_(B层提升卷)_答案解析_新人教八下资料包_30语法总结+语法分层练习(全)_26新八下英语单元语法分层练习（答案解析）

Unit 8 语法分层练习 (B 层提升卷) - 答案及解析 【答案速查表】 一.1 一.2 一.3 一.4 一.5 B C C A A 一.6 一.7 一.8 一.9 一.10 B A B B B 一.11 一.12 一.13 一.14 一.15 B A A B C 二.1 二.2 二.3 二.4 二.5 have had has been has been dead has been away How long 三.1 三.2 三.3 三.4 三.5 borrowed -> died -> been arrived -> has left -> have seen -> kept dead been left saw 【详细解析】 一、单项选择 解析  第1题: [ B ] 解析：for two weeks -> kept (延续)。  第2题: [ C ] 解析：for two years -> has been dead。  第3题: [ C ] 解析：since 1990 -> has been in the Party (join 是瞬间)。  第4题: [ A ] 解析：for two hours -> I have been here (arrive 是瞬间)。  第5题: [ A ] 解析：since three years ago -> have learnt。  第6题: [ B ] 解析：saw (过去时) -> just now。  第7题: [ A ] 解析：Since 2018 (时间段回答) -> How long。  第8题: [ B ] 解析：for half an hour -> has been on。  第9题: [ B ] 解析：It is ... since ... + 一般过去时 (met)。  第10题: [ B ] 解析：yesterday -> left。  第11题: [ B ] 解析：Where is Tom? -> has gone to。  第12题: [ A ] 解析：has been away (leave 的延续状态)。  第13题: [ A ] 解析：so far (到目前为止) -> 现在完成时。  第14题: [ B ] 解析：for a week -> has been in。  第15题: [ C ] 解析：last week -> bought。 二、句型转换 解析  第1题: [ have had ] 解析：buy -> have。  第2题: [ has been ] 解析：join -> be in。 1 第3题: [ has been dead ] 解析：die -> be dead。  第4题: [ has been away ] 解析：left -> be away。  第5题: [ How long ] 解析：略 三、短文改错 解析  第1题: [ borrowed -> kept ] 解析：for three days 需延续。  第2题: [ died -> been dead ] 解析：for two years 需状态。  第3题: [ arrived -> been ] 解析：arrive 是瞬间动词。  第4题: [ has left -> left ] 解析：since 后接过去时句子。  第5题: [ have seen -> saw ] 解析：just now 用过去时。 2