As is known to all, theory is based on practice and _____ serves practice.
| A．in hand | B．in turn | C．in return | D．in exchange |
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 |
If you go out, who'll _______ to the baby?
| A．take | B．admit | C．attend | D．look |