China plans to let people ______the Xi Sha Islands this year.

How do you find the cake? ——This cake is very sweet. You ______ a lot of sugar in it.

There will be ______ red-crowned cranes in the world if we don’t protect them.

She will never forget here stay there__________ she found her son who had gone missing two years before.

The room is a bit untidy now. Why don’t you________