Unit 6An old man tried to move the mountains.
  Section A
Grammar Focus
Grammar Focus
1.Don’t disturb me unless I call you.除非我打电话找你，不然不要打搅我。2.Don’t touch the instruments unless the teacher gives you permission. 没有老师允许，不要乱动仪器。3.I will tell him the news as soon as he comes back.他一回来我就告诉他那个消息。4.I will visit you as soon as I arrive.我一到就造访你。5.He took out his English books as soon as he sat down.他一坐下就拿出来英语书。6.As soon as I went in, Jason greeted me warmly.我一进门，杰森就热情地朝我打招呼。7.The boy ran so fast that I  ...