-----If I wasn’t busy., I could have been back by 5:30 o’clock. ----- What a pity! She____ here to see you.
__________ is troubling me is __________ I don’t understand __________ he said.
______________________, I would have given you his address.
As a teacher, he knows exactly how to his ideas to the students.
________ you can finish the task on time, it doesn't matter how you do it.
I was really worried about you. You _______________ home without a word.