The police set out in search of other children who might ______ Guizhou’s dustbins after 5 deaths for warmth.

We didn’t know anything about it _______ you told us what happened.

I just received a letter from one of myold school friends.—______

We must study hard, because we shouldn’t _______ our parents _______ .

Since we ________ our homework now. Let’shave a rest.