–I’m sorry I really can’t work it out.—Try again, Liu Fang. It’s only ____ difficult for you. You can make it.
The tower is about _________ .
There are ________ people_____ in our city.
Sam sits_______ Kitty." Which is wrong?
John is good _____drawing. He is going to be an _______.
----Who’s ________ speaking? ----_________Amy.