. There is such an occasion ___________ we know lots of words, but we can’t choose a suitable one to express ourselves.
| A．where | B．when | C．which | D．what |
If he takes on this work, he will have no choice but __________ an even greater challenge.
| A．meets | B．meeting |
| C．meet | D．to meet |
Before __________stood a terrible man; Linda could do nothing __________.
| A．she; but cry | B．her; but cry |
| C．she; but to cry | D．her; but crying |
The girl sat in front of the television every evening, happy __________ anything that happened about the Olympic Games in London.
| A．to watch | B．watching |
| C．watched | D．to have watched |
Cao Cao's tomb is reported __________ in China, which attracts nationwide attention.
| A．being found | B．to be found |
| C．having been found | D．to have been found |
Lin Feng is said __________ abroad, but I don't know which country he studied in.
| A．to study | B．to be studied |
| C．to have studied | D．to be studying |