_____ no one in the house, the detective had to leave.[ ]

Mum, I’ve been doing my homework for two hours. I play computer games for an hour? —No, I’m afraid not. You’d better go out for a walk. It does good to your eyes.

That is the only way we can imagine ____ the overuse of water in students’ bathrooms.

Why did you come by taxi? —–My bile broke down last night and I ____it repaired

You must keep in mind whom you _______ in this class, because we all voted for you in the elections of class president.[ ]