_______ the general state of his health, it may take him a while to recover from the operation.

 The performance of the host, _____ to please the audience and draw their attention, was greeted with a cold silence, however.

The audience were ______ by his _______ performance on the stage. 

Believe it or not, he was seen ______upstairs just now.

________ around the Taimountain Park, the tourists from Hong Kong were taken to visit the Mei Langang Memorial Museum.