Do you know a spaceship flies at about nineteen kilometerssecond ?
I’m in No.5 Middle School, but my brother ______.
If you get on well_____ your classmates, you’ll enjoy your school life more.[ ]
Her uncle ___ to New York now, he ___ there twice. He’ll be back tomorrow.
IamnotsureifTom____home.Ifhe________, I’llcallyou.