He was unaware of our coming.   

—This watch is too expensive. —Well, we have got some ________ ones. They’re over there.

 Girls, I’ll tell you _______, and you can do it ________.

--- Does Mary work carefully?---Yes. I think she works __________ in our class.

-- Which basketball player do you like best , Kobe, James or Jordan ?—________ of them.Lin Shuhao is my favorite.