― Have you finished your composition already, Jack? ― Yes, I _____ it within half an hour.

I called you at 9 last night，but no one answered.—Sorry，I ________ sleeping.I went to bed very early.

He developed ________ deep interest in insects when he was at________age of 8.

different angles, the picture doesn’t look the same.

I’m sure Andrew will win the first prize in the final—I think soHe _____ for it months