.The building burnt down in a big fire. _________was the base on which it stood.

Can you see some people are waiting _____ the library? —Yes. They are standing in a queue in front of its gate. [ ]

You’dbetter_______yourcigarette when you are in the wood.

Jason got 60 in the math test. What about you?—I did ____ than him. I didn’t pass it.

Look at the photo. The girl beside _________ is Nancy.