How often do you go skating?——________.I can’t skate at all.
Alice is sitting ________ two students. The one on her left is Mary and the one on her right is James. [ ]
What do you think of math? — I find difficult to learn it.
Jim is honest boy in my class. He bought me _____ useful book as abirthday present.
It’s popular to use QQ to _________ with each other on the Internet now.