There are some birds singing ___ the trees.[ ]

Today, there are still 40 _______ children needing help for education.

The boy has _____ poor eyesight, but he has _____ good sense of humour.

Your mum is very kind. -Yeah, My mum is pretty considerate, you know what_____ ,she always arranges everything around me.

I know a little about Thailand, as I ________ there three years ago.