______ the news, so far, has been good, there may be bad days ahead.
| A．When | B．While | C．If | D．As |
一Why are you so excited，John?
—Our class got the first prize in the singing contest at last，which weforward to．
| A．have been looking | B．had been looking |
| C．looked | D．had looked |
一What did he want to know，John?
一that we could finish our work．
| A．What it was | B．When was it | C．When it was | D．What was it |
Although everything seems to have been taken into consideration，accident can happen when the astronauts walk in space．
| A．不填；the | B．an；the | C．the；the | D．an；不填 |
She wasn’t a much older tennis player but he had the great ______ of experience about games.
| A．interest | B．advantage | C．benefit | D．profit |
I think you should complain----______, of course, you are happy with the way things are.
| A．if | B．unless | C．as | D．because |