At times, parents find it difficult __________ with their teenage children.

I’m 14 years old and my birthday is _______ November. [ ]

Do you like swimming in winter?—Of course. The water a bit cold at first，but then I am warm and full of energy.

Here is __________ iPad my uncle sent me yesterday. I believe it’s __________ fantastic one!

Do you know the answer _____ the hard question?[ ]