It ________ about two hours _________ their homework every day.
| A．costs; to do | B．spends; doing |
| C．takes; doing | D．takes; to do |
The Leaning Tower of Pisa (比萨斜塔) is so great _____ old building.
| A．a | B．an | C．the | D．/ |
There is a big tree in ________ front of our classroom and a big blackboard_in ________front of it.
| A．/; the | B．the; / |
| C．the;the | D．/; / |
“Don’t ____ on the computer. It’s time for class.” Says my teacher.
| A．play | B．playing |
| C．be playing | D．is playing |
Look. Mumwith my aunt.
| A． talks | B．to talk |
| C．is talking | D．talking |
__________ are these shoes? _________ twenty Yuan.
| A．How many, They | B．How much, They're |
| C．How many, They’re | D．How much, Their |