---Peter, is this your pen?---Yes, it's ________. Thanks a lot. I looked for it everywhere.A. mine B. me C.I
_________ since we last saw our primary school classmates.
We learn the sayings “Use it ______ lose it” and “Practice _______ perfect”.
Good learners often _______ what they need to learn _______ something interesting.
Each different ________of China _______ its own special forms of traditional art.
The teacher advised the parents to talk with their son _______.