初三英语单项选择【1.】“____we didn't see the Great Wall ,we felt excited when we passed over China."a.when b.since c.while d.until【2.】——Why are you so late?The train has ____for ten minutes .——Sorry.Iforgot the time.a.left b.b

初三英语单项选择【1.】“____we didn't see the Great Wall ,we felt excited when we passed over China."a.when b.since c.while d.until【2.】——Why are you so late?The train has ____for ten minutes .——Sorry.Iforgot the time.a.left b.b
初三英语单项选择
【1.】“____we didn't see the Great Wall ,we felt excited when we passed over China."
a.when b.since c.while d.until
【2.】——Why are you so late?The train has ____for ten minutes .
——Sorry.Iforgot the time.
a.left b.been away c.been left d.had left
【3.】——How long have you ____the dictionary?
——For two years.
a.buy b.bought c.had
【4.】By the time he was twelve ,Edison____to make a living by himself
a.had begun b.would begin c.has begun d.was begun
【5.】I don't know ____my sister loves the MP4 ____not
a.if,but b.whether,not c.as,or d.whether,or
【6.】Class 5 are going for a picnic tomorrow .They made ____six o'clock to meet at the school gate
a.it b.that c.them d.不填
选什么 
为什么这么选

初三英语单项选择【1.】“____we didn't see the Great Wall ,we felt excited when we passed over China."a.when b.since c.while d.until【2.】——Why are you so late?The train has ____for ten minutes .——Sorry.Iforgot the time.a.left b.b
BDCCDA

1. c while有‘虽然、尽管’的意思
2. b for ten minutes是表示一段时间，持续了一段时间的动作，而left的原型leave是表示短暂性动作的动词， 所以应该用have been away
3. c For two years也是表示一段时间，buy也是短暂性动词，表示‘买’这一个瞬间动作，所以应该用have had
4.a by the ti...

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1. c while有‘虽然、尽管’的意思
2. b for ten minutes是表示一段时间，持续了一段时间的动作，而left的原型leave是表示短暂性动作的动词， 所以应该用have been away
3. c For two years也是表示一段时间，buy也是短暂性动词，表示‘买’这一个瞬间动作，所以应该用have had
4.a by the time通常是译为‘到那时，他已经..’他十二岁，was是过去式，所以后边应该接过去完成时，即had begun
5. d whether..or not 是否，固定用法 如果用if一般不接or not
6. a make it+时间，固定用法，定为几点
PS：以上全为手打，还特意查了资料，看在我这么用心的份上~~哈

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1、C while 有尽管的意思
2、B
3、C 离开leave 和借borrow 都只是瞬时性的动词，表一段时间的分别用away和have
4、A by the time 后加过去完成时
5、whether……or not 固定搭配 用于否定句中
6、make it 固定搭配 做成功某事，在这表示决定时间