Does my question sound enough— I don’t think so. You can ask more by using “could” instead of “can”.

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

Could you tell me ___ all of you think of your teacher? —She’s a good teacher.

Professor Smith, together with his assistants, ________on the project day and night to meet the deadline.[ ]

you ever to Egypt ——Yes , twice. The Pyramids are really full of history.