1. If your roommate has a high fever and her throat hurts, then she might have the flu .

　　2. If youre studying physics at Cambridge , then you know my uncle hes a professor there.

　　3. If the book isnt on the table, then it must be in one of the drawers .

　　4. If you care about her feelings, , then you should apologize.

　　5. If you liked Titanic, then Im sure youll also enjoy Titanic II .

　　6. If both men say theyre innocent, , then one of them must be lying.