. It was not until 1920 _____ regular radio broadcast began.
| A．that | B．while | C．which | D．since |
He hesitated for a moment before kicking the ball, otherwise
he a goal.
| A．had scored |
| B．scored |
| C．would score |
| D．would have scored |
My English-Chinese dictionary has disappeared. Who have taken it？
| A．should |
| B．must |
| C．could |
| D．would |
--- I’11 tell Mary about her new job tomorrow.
--- You her last week.
| A．ought to tell |
| B．would have told |
| C．must tell |
| D．should have told |
The patients need special care in winter, as they are to the sudden changes of weather, and they are likely to catch a bad cold.
| A．sensitive |
| B．sensible |
| C．flexible |
| D．positive |
Generally speaking, chances tend to those who are hard-working and well prepared.
| A．favour |
| B．honour |
| C．focus |
| D．intend |