初三英语单项选择【1.】“----we didn't see the Great Wall ,we felt excit

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 himselfa.had begun b.would begin c.has begun d.was begun【5.】I don't know ____my sister loves the MP4 ____nota.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 gatea.it b.that c.them d.不填选什么为什么这么选