__________ pleasant experience it is! I think I won’t forget the tour to Xi’an for ever.

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

________ funny story! I really want to listen again.

—______ delicious the beef is! Thank you for inviting me to dinner. —I’m glad you like it. 

_____ hard work it is! But _____ fun it is to finish walking the trail.