根据句意，写出括号内所给单词的适当形式。
My friends in Australia say that they now have beautiful and hot days, with temperatures in the ___________ ( thirty ).
It is clear that most of the ___________ ( tour ) visiting the small village are from the UK.
After a night’s work without sleep, he looked much ___________ ( sleep ). 
A dove（鸽子）has a good sense of ___________ ( direct ).