Grammar review

Our car was finally found by the policeman after it ............ (steal) last night.

(Compare) Jenna has a ..............(heavy) workload than Josh but she still get paid ..........[(little) than him.

(Compare) Martin got promoted because he was .................. (responsible) employee at the company.

At the moment, the computer ................... (repair) by my brother.

"Student should study hard, or they may fail the test." => If ....................................

"Daniel isn’t in good health because he doesn’t exercise regularly." => If ........................

What about our flight tickets? (they / book) ................... yet?