18．——would you like to go and see the film with me this evening——I am sorry, I can’t because I ________myhomework.

If you dare do it, so I.

Had it been possible, I would have gone to attend Monica in the hospital, but Ifully occupied last month

240. It is an important problem. You should ________ before you draw a conclusion.

It was_________Asimov was eleven years old________ his talent for writing became obvious