Do you know ___________—To meet her friends from America.

Maria is wanted on the telephone. Where is she —She _________ the library. You can find her there.

The lights in the classroom are still on. -Sorry. I’ll go and ______.

ys, sending e-mails to each other hasbecome a way ______________ what they think to others

________ you may have，you should gather your courage to face the challenge