I’ve never been to the Great Wall, whatabout you— ______. I think it must be very great.

This tree looks high and strong but ____ its trunk is hollow

You have to wait till tomorrow when our manager ____ back

When you visit a museum you should the instructions and don’t be against them.

It’s a wise ________ to wear the red tie. It matches(匹配) your shirt well.— Thank you very much.