Complete the sentences with back, on (upon), out, (up) for. 1. alex hit a radical solution to his problem. 2. i’m sure he’ll hit you for the money he needs. 3. mrs. stones hit at the committee’s decision. 4. don’t mess with him: if you hit him, he’s sure to hit you 5. the president hit his rival by accusing him of double standards. 6. he screamed and hit at his opponent.