The news that scientists so far haven’t found out the cause of bird flu discouraged some WHO officials,________?

There are _______ visitors to the wetland park, and the number is becoming _______ now.

His father _____________ for nearly a month.

I want to know if they _____ the spring sports meeting next month. I must get ready for it if they ___ it.

This isn’t ______ purse. I left _______ at home.