__________ surprised he was to see his stolen bicycle again at the gate of the park.

---What _____useful book !---Yes, it is. But I find it ______ difficult for me to read.

--- It’s reported that some famous singers will give a performance in Yangzhou.  ---Wow, ________.

—Look at the cloud! It looks like a rabit.--- Wow. _____ beautiful !

-- __________ beautiful city! --Yes. Lots of tourists come to visit it every year.