It was______ back home after the experiment.
| 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 |
Mr.Stevenson is great to work for ——I really couldn't ask for a ________ boss.( 2011·全国Ⅱ)
| A．better | B．good |
| C．best | D．still better |
Sarah pretended to be cheerful，________nothing about the argument.(2011·全国Ⅱ)
| A．says | B．said | C．to say | D．saying |
________ that they lost the game, tears came down Kate's face.
| A．On hearing the news |
| B．When heard the news |
| C．The moment she heard the news |
| D．While hearing the news |
________ the Internet is bridging the distance between people, it may also be
breaking some families or will cause other family problems.
| A．When | B．If | C．While | D．Since |
________ your blog, I would have written back two days ago.
| A．If I read | B．Should I read |
| C．Had I read | D．If I could have read |