Составьте предложения со словами just, yet, already, for, since, at the moment, many years, now, next week, all week

I haven't done my homework YET;
I've JUST made the decision;
They have ALREADY finished the operation;
He was watching TV FOR two hours;
I was writing the test DURING the lesson;
Ted is doing the exercise AT THE MOMENT;
He studyed MANY YEARS to become a doctor;
I am going shopping NOW;
She will go with you NEXT WEEK;
I was learning this poem ALL WEEK.