At the crossing there is an arrow _______the direction to the Andrew farm.
| A．indicating | B．to indicate | C．indicated | D． dictating |
--May I open the window? It’s too hot.
--_____________.
| A．It’s your turn. | B．You have got it. |
| C．Go ahead. | D．Hold on. |
John began to study French last Sunday. ____________
| A．His brother did so. | B．So did his brother. |
| C．So his brother did. | D．His brother so did. |
Some plants are so difficult to grow that they can only ______ in a perfectly clean environment.
| A．communicate | B．exchange |
| C．survive | D．afford |
The family finally climbed to the top of the Mount Tai, ________.
| A．exhausting | B．amusing |
| C．exhausted | D．fascinating |
Only after he was taken to the teachers’ office did he admit ______ the window.
| A．break | B．breaking |
| C．broken | D．to break |