—Have you been to the United States?—Yes, only once. I ________ there only for seven days.
The essay you wrote is excellent, which a rapid improvement on your recent work.
As you the tasks, cross them off your list so you may feel less pressure.
I think you should go back to your plan, which is much more practical than the present one.
When I think something is right, I will stick to that ,sometimes it sounds a littlebut I am now trying to find a balance between insistence and compromise.