---Kevin, you look worried. Anything wrong? ---Well, I a test and I’m waiting for the result.
I’ve just read an excellent book of Moyan’s, ___________ you cannot afford to miss.
He decided to adopt a different ___________ to teaching the language in a natural way.
We planned to climb the mountain today, but in such ______ bad weather, it seems out of ______ question.
--Jack, how can I turn on this iPod? --_______
___________a large group, your tone should be clear and loud.