Excuse me, does Mr. Chen live here?—He ______ be here, but he has moved to Nanjing.

All the students are talking and laughing in the classroom and it’s _______.

I don’t make ________ clear when and where the parents’ meeting will be held.

There are __________ flowers in the square during National Day.

Look at the girl in the red skirt. ______is my new classmate.