The machine is very easy _______. Anybody can learn to use it in a few minutes.
| A．operating | B．to be operating | C．operated | D．to operate |
The children put on ___ one-act play last Saturday. ___ play amused everyone of us.
| A．the… the | B．/…the | C．the…/ | D．/…/ |
When our teacher comes into the room. We greet him with __ “Good morning.”
| A．a | B．the | C．an | D．one |
Suddenly ___ fire broke out in his house and the neighbours immediately, tried to put out ___ fire.
| A．a… the | B．the…a | C．the…the | D．a…a |
___ Peral River flows into ___ South China Sea.
| A．The…the | B．The…/ | C．The…the | D．A…a |
You will find __ girl in red.She is ___ dancer.
| A．a…the | B．the..a | C．a…a | D．the…the |