The number of people who ____English as a foreign language __more than 750 million.

The thing that matters is not whether you fail or not, _______whether you try or not.

Can you tell me_____ difficult the exam turns out to be?

My father is in hospital again—_______ I hope he’ll recover soon

Can I have ________ cakes, please—- Sorry, I don’t have ______ cakes inthe fridge.