An accident occurred，but to our ______，no one was hurt.

In my opinion, the most famous 　　　　 to tourists in the city is the wooden tower.

The lady in red immediately became the _____ of attention when she entered the hall. 

—How can I use this washing machine?—Well, just refer to the _______.

——-Shall we go out for a walk?——Sorry. This is not the right ____ to invite me. I am too tired to walk.