—It’s a quarter to eight. The train is leaving.—She’ll be here on time. So ______ .
It is our duty ______much attention to ________ our best to keep our city clean.
If I were you, I’d talk ______someone ______looks friendly.
It took him morning to check outinformation.
I think ________ vocabulary lists ________ us a lot.
---What happened ________Tom? ---He ________because of his drink-driving.