Daming is playing ______flute, but Simon is playing _____table tennis. ( )
| A．/, the | B．a, a | C．the, / | D．the, the |
Susan books now, so you shouldn't play music. ( )
| A．is reading; the | B．read; a | C．reads; the |
There is ______ aviary in the park. There are many kinds of birds in ______ aviary. ( )
| A．a, the | B．an, an | C．an, the |
That is________ mountain. _____ mountain is high. ( )
| A．a, the | B．the, A | C．a , The |