To save the drowning child, the boy plunged into the icy water without hesitation, ____ his own safety.

Help others whenever you can _____you will make the world a nicer place to live in.

How far is it from your home_____________?—It’s about fifteen minutes’ walk.

Tom wants to know_____________. — I don’t know, either. He said he would phone me as soon as he came back.

__________ will she get to Shanghai?- In three hours.[ ]