Being a         person, Miss Li wouldn’t let anyone or any difficulty stop her.

— How was your recent visit to Qingdao? —It was great. We visited some friends, and spent the________ days at the seaside. 

The melon the Smiths served at dinner would have tasted ________ if it had been put in the fridge for a little while. 

Netizens are frequently reminded to be ________ about revealing (透露) their personal information on the Internet.

At times the balance in nature is ______，resulting in a number of possibly unforeseen effects.