“Why didn’t you write” “My ink has _______”

Now, have you finished your work yet?— Yes, I _______ it when you came

When we visited our headteacher again ten years later, he had changed so much that we could hardly ________ him.

where did you guys go for the summer vacation—-We________ busy with our workfor months, so we went to the beach to relax ourselves

Without the new paints and the new technique, we would not be able to see the many great masterpieces_______ this period is famous.[ ]