It was along the Mississippi River ____ Mark Twain spent much of his childhood _____ the story happened. [ ]

The news has spread all over the country ____ the spaceship succeeded in returning to the earth.

Annie, I didn’t pass the English test again.________. You should study harder.

Could you ____ me your bike, please— Sorry, I’m using it. You can ____ Jack’s.

________ by adjustments to financial systems and safety nets, some of those reforms fail to ensure that the poor are not harmed.