I’m sure you ______ to us just now, because we already know the truth.
--Are you sure ____ you have seen this man?---Yes, I’m quite sure ___that.
I find writing ___ than speaking.
Lili si making ___ with his spoken English.
--How ___ your daughter ___ at university? ---She’s doing fine. Thank you.
Can you believe that in ___ a rich country should be ___ many poor people?