-Is this your pencil? -Yes, it's _. Look, here is No. 5.
Great changes ______ in our hometown in the last ten years.
____ he is very old, he is quite strong.
— Look! The tree is growing well. When ?— Sorry, I don’t know, either.
We’ll have an English exam January.
— Xu Beihong is known _____ a great Chinese painter.— Yeah. He is famous _____ his horse paintings.