-- Bob, please go and buy some vegetables for me. I’m busy now.-- Can you be more ________， mum?-- Some tomatoes and a cabbage.

He’s never lost a day’s work through illness. He’s as _____ as old boots.

My wife cares more for new clothes than anything else in the world, so she is very _______ about what she wears.

Gilbert wasn’t ______ the time this morning, so he was late for school. 

He is a politician and has a delicate sense of the current affairs all over the country．