24. Is it the years ____you worked in the factory____ have a great effect on your literary works?
You might just as well tell the manufacturer that male customers _____ not like the design of the furniture.
How ______ you say that you really understand the whole story if you have covered only part of the article ?
— What's the matter with the man hanging his head there?— Well, if you _____ know, he was caught stealing my bike.
— Lisa hasn't lived here for long. She _____ know many people.
— There's someone outside. Who it be ?— It must be Mary. She promised to come over at 8: 00.