I don’t know _____she is. –Mrs Smith says she is a shop assistant.

Jack, could you help me ________ these pictures on the blackboard? It may help us know more about the hazy weather. (雾霾) — With pleasure.

The boy ____ his homework after school every day.

Can you guess _________ the new Nike sports shoes? — Yes, Maybe he asked his grandpa to pay for them, I think.

We left the meeting, there obviously __________ no point in staying.