The explorers failed to find the cave because it was not located they had expected it to be.
| A．which | B．that | C．where | D．what |
________her mother had come, her face lit up.
| A．Hearing | B．Having heard | C．When hearing | D．When she heard |
The situation is more ________than ever. I'm ________about what to do next.
| A．puzzled; puzzled | B．puzzling; puzzling | C．puzzling; puzzled | D．puzzled; puzzling |
Linda can't attend the party________ at Tom's house at present because she is preparing a speech for the party ________ at Marie's house tomorrow.
| A．being held; to be held | B．to be held; held | C．held; being held | D．to be held; to be held |
We slept with the light________ all night long last night.
| A．burnt | B．to burn | C．being burnt | D．burning |
________you the truth, she knows nothing about it.
| A．Tell | B．Telling | C．To tell | D．Told |