It’s very nice ______ you to give me the chance. [ ]
It is safe to eat chicken that________fully, but most people still dare not do that because of the H7N9bird flu .
Here is a recipe _____ a great turkey sandwich! [ ]
This is a key. It’s ___________blue key.
I always make mistakes in my math exams. What should I do? –I think you should be _________.