It's ______ interesting program and it tells us how to play ______ piano.
A. a; the B. an; the C. the; a

Could you give me some ______ ? I tried several times but failed.
A. notice B. suggestion C. advice

On Fridays, I often ______ with my sister and watch Running Man at home.
A. show up B. come up C. stay up

—How many teachers are there in your school?
—______ them ______ over one hundred.
A. The number of ; is
B. The number of ; are
C. A number of ; are

Something _____ in our hometown since 2014. Now it ______ very modern.
A. is changed; is looked
B. has changed; looks
C. changed; looks