It was quite a long time________ I made it out what had happened.

There is a smile on Miss Gao’s face. She must be _______ with Sam’s work.— I think so. No one did as__ as him in our class.

That was really a splendid evening. It’ s years _____ I enjoyed myself so much.

I’11________photo taking after I retire. I think it is a good hobby.

Would you like to eat up all the food on that plate? ——Sure,but that is not _______. I have already eaten all my food up.