The doctor did what he could _______ the boy, but in vain.

lly, another ten volunteers ______ to work inthe new exhibition by the end of this week

Which ______ more fat, cream or rice?

She always allows the children to voice their opinions_________sometimes their opinions are not sound

Must I go to medical school and be a doctor like you , Dad–No, you _____, son, you’re free to make your own decision.