Sending messages by telephone has become _______ second most popular way of exchanging of New Year greetings, according to _____ research by China Daily.
–You are Mr. Zhang, aren’t you? --______.
I have ___all my papers but I still can’t find my notes.
We elected him ___ monitor of our class, and he gave ___ to everyone.
In general, the old man is generous. But ____, he was mean to an old beggar.
He was left _____, with no one ____ after him.