__________ do you go to concerts? — It’s hard to say, maybe once a month. [ ]

Have you heard of _________ about Jeremy Lin (林书豪)?—Yes. He did quite well in the last NBA basketball match.

There are ________ teachers in our school, ________of them are women teachers.

When she was walking in the street, she met a friend of _______.

I am_____ to learn that Picasso produced more than