I heard that you made a bicycle trip to the 2010 World Expo of Shanghai alone. — No. Actually, my friend Bob ______ me. [ ]

If the wild animals wander onto _____ land, the landowner may require the government to get them back．

I ___ not speak English in public, I ____ to do more speaking from now on.

The US is about the same size as China, but its population is five times_ ___.

______ happened to be no one in that house when the typhoon hit the area