It was so cold that he had the fire ___________ all night long.
| A．to burn | B．burn | C．burning | D．burned |
It wasn’t until dark _________ he found _________ he thought was the correct way to solve the problem.
| A．when , that | B．that , that | C．when , what | D．that , what |
The editor-in chief asked me to write an article for him, ______ about AIDS patients in China.
| A．that | B．one | C．it | D．this |
_________ the exact departure time, he missed his train.
| A．Not be told | B．Having not been told | C．Not having told | D．Not having been told. |
--- I want to know whether the day I am looking forward to will come today or tomorrow.
--- Does that make any difference?
| A．when | B．why | C．that | D．on which |
We were looking for you all this morning. Youoffice without a word.
| A．mustn’t have left | B．shouldn’t have left | C．couldn’t have left | D．needn’t have left |