tired professor, _____ in his new book in thepast three years, hasn’t realized the decline in his health

My family and I will go back to the USA tomorrow.— ____________

Look! It________be the new woman manager. —It________be her.She has just left for Shanghai.

______ when I spelt a word in a crossword puzzle.

Maybe if I______science, and not literature then, I would be able to give you more help.