This is a(n) _______ mistake among the Chinese English beginners.

Was it under the tree ______ you went away talking toa friend—Sure. But when I got back there, the bike was gone.

Only after he was taken to the teachers’ office did he admit ______ the window.

Mike often exercises ______ half an hour in the morning.

munication, a smile isusually strongsign of a friendly and open attitude