____ do you study for a math test —Istudy math ____ lots of exercises.

It was after what seemed like a century ________ wewere allowed to go home.

th this fiercely competitive society,_____English well and you will succeed

Could you please give me a hand with mysuitcase— _______.

What about your journey to Mount Hua?— Everything was wonderful except that the car we rented________on the way back. [ ]