With the weather getting colder, visitors from Australia spent their _____ days in 　　　　Beijing.

–Have you received Jack’s plan?–Yes, but I don’t think his plan is ____.

On the double 11th day, my uncle’s online store has successfully sold _____ shoes as last year, that is, it can hardly make ______ progress. 

--- Are you pleased with what he has done?--- Not in the least. It couldn’t be __________.

 There was a _______ look on her face when she met with the _______ problem.