This is our contribution to ________ world of the 21st century, ________ world of independence and mutual understanding.
| A．the; / | B．/; a | C．a; the | D．the; a |
Every child is _____ to it parents.
| A．precious | B．possible | C．expensive | D．valuable |
She forgot to tell me which bus to _____.
| A．travel | B．take | C．have | D．ride |
At the moment of the sunset, the sky turns _______.
| A．dark | B．deep red | C．pink | D．bright |
A doctor must be immediately sent for to __________ the seriously-injured boy.
| A．cure | B．attend | C．accept | D．operate |
Although she tried her best to make her work _______, yet she failed in the end.
| A．complete | B．well | C．perfect | D．good |