— How are you going, buddy?— . A little busy, though.
The Leaning Tower of Pisa (比萨斜塔) is so great _____ old building.
There is a big tree in ________ front of our classroom and a big blackboard_in ________front of it.
“Don’t ____ on the computer. It’s time for class.” Says my teacher.
Look. Mumwith my aunt.
__________ are these shoes? _________ twenty Yuan.