The report noted that nicotine breathed inby a smoker increased the need of the heart ________ oxygen

I _____ sooner but I didn’t know that they were waiting for me

It is culture more than anything elsedetermines how a nation’s civilization evolves.

What’s this— It’s _____ eraser, and _____ eraser is Tom’s.

ve missed the train！” “_____, there’ll be anotherin ten minutes.”