Frank put the medicine into a top drawer to make sure it would not be _______ to the kids.

Behind the coach _____our team wearing blue suits．

What can you see ______ the bridge—There is a small wooden house ______ the north of the garden.

Look at _____boy over there. Do you know him—Yes. He is from Shanghai .

24The Niagara Waterfalls, ______ is shaped like a semicircle, are 670meters wide, and fall 56 meters in an awesome white sheet of water