The teacher asked the students _________________.
| A．if they are interested in dinosaurs |
| B．when was Audery Heben born |
| C．What they will do with the computers |
| D．how many trees they had planted |
—________ you open the window, please?
—Yes, I can.
| A．May | B．Need | C．Must | D．Can |
There are two dogs in my family. One is white,_____________ black.
| A．another | B．others | C．the other | D．other |
I am _______________than my mother, so I am very happy.
| A．tall | B．taller | C．tallest | D．the tallest |
—________ is your favorite sport?
— Swimming.
| A．What | B．Who | C．Whose | D．Which |
Our classroom ________ very big and clean. We enjoy studying there.
| A．am | B．is | C．are | D．be |