BBS - Revision

This animal has wings but can't fly.

Complete: My sister ___ go to school on Saturdays. That's not her routine.

She's your mother's sister.

Complete: Dad ___ travel tomorrow but mum ___ go with him because she works here.

What's the Past Simple form of "understand"?

This happens when there is a lot of water, much more than normal, in the streets.

This is an Asian country. Its capital is Beijing.

Complete: There weren't ___ apples on the table!

Is this correct? "Louis isn't read a book right now."

Complete: Have you ever ___ a helicopter?