The split between humans and apes is believed by scientists______15 to 20 million years ago.
| A．to be occurring | B．having occurred | C．to have occurred | D．to occur |
It was _____back home after the experiments.
| A．not until midnight did he go | B．until midnight that he didn’t go |
| C．not until midnight that he went | D．until midnight when he didn’t go |
It was just in the room _____ he was born _____ he died.
| A．where, which | B．that, that | C．where, that | D．which, that |
12. It is the ability to do the job ______ matters not where you come from or what you are.
| A．one | B．that | C．what | D．it |
It was his nervousness in the interview ____probably lost him his job.
| A．which | B．since | C．that | D．what |
It was what he meant rather than what he said ______ annoyed me.
| A．which | B．as | C．what | D．that |