I think you must be mistaken about seeing him at the theatre; I’m sure he_____abroad all week.
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? —________
No matter what you say, I shall________my opinion.