The story book _________ for two weeks .
—Where___ you ___last night?—I went to the supermarket and bought a present for my younger sister.
I ___ an article about first aid. It’s useful in emergency situation.
It is helpful to _____ a good habit of reading in language learning.
Oh, it ___so nice. What beautiful music it is!
—Someone is knocking at the door. Is it Ann?—It ________ be her. She is giving a performance at the theater now.