Mum, where did you put my new sports shoes–Oh, I put them in a box. And ________ box is underyour desk.

Have you known each other for long?—Not very long, 　　　we started to work in the company.

The final examination is coming up soon. It’s time for us to ________ our studies.

Under no circumstances_____ his home turned into abattlefield between the forces of light and darkness.

May I go swimming alone this afternoon, Dad —No, you . It is dangerous.