The woman teacher hurriedly left the classroom as though ______.
—Haven't you realized the use________the used paper?—Yes, already.
Being determined is a kind of quality and that's________it takes to do anything properly.
—What do you expect Mr. Zhang to succeed in?—________.
I'd like to write the letter with a ballpen. Could you please find________for me?
—Can I speak to Mr. Wang, please?—________