What I need is ________ book that contains ________ ABC of oil painting.
| A．a；/ | B．the；/ | C．the；an | D．a；the |
How strange! These years my birthday always falls _____.
| A．on the Sunday | B．on a Sunday | C．on Sunday | D．at a Sunday |
As _____ writer, he was _____ complete failure.
| A．a, a | B．a, the | C．不填，不填 | D．a, 不填 |
The operation is _____ success and the patient is now out of _____ danger.
| A．a, the | B．a, 不填 | C．不填, the | D．不填，不填 |
— Did you happen to see _______ black and _______ white cat?
— Are they missing? I told you to take care of them.
| A．a; 不填 | B．the; 不填 | C．the; the | D．a; the |
In the market, vegetables are sold by _______ kilogram, I mean, by _______ weight.
| A．the; 不填 | B．不填; 不填 | C．the; the | D．不填；the |