Lisa, I guess we’d better fix a navigational aid (导航仪) to the car, _____ _____wecan find our way easily.[ ]

he night falling, the crowd gathering around the accident scene began to_________.

Having been praised by the teacher，the little girl ran back home，______.

_________ is it from your home to the train station —About twenty minutes’ walk.

These days you are always reading fantasy stories. What’s up?— Well, you can’t imagine how wonderful they are. I have _____about them.