He was about half through his meal ______ a familiarvoice came to his ears.

parent is not always easy, and being the parent of a child with special needsoften carries with ___ extra stress

Take more exercise every day, or you may ___________.

－Are you collecting any old warm clothes with teachers －Yes, we will ______________ to the poor students in a village school.

In his spare time, he often listens to music and watches films to _______ himself.