we found one lion lyingnear the river, and ____under a tree.

Is this the first time you ______ Chengdu ? — No. But the first time I ______ here, the city wasn’t so beautiful. [ ]

The Shanghai Expo has attracted more than 73 million tourists, ________ it the most successful in history.

What did Lily say in her letter— She asked _________________.

Who teaches ________ music— Nobody. I teach ________.