Mr. Barren doesn’t think that all bad language should be allowed. In his opinion, there are ___________ that should be kept up.
| A．degrees | B．levels | C．limits | D．standards |
Beijing expects China’s rich civilizations to ________ the world with a happy surprise at the
opening ceremony of the 2010 Shanghai EXPO.
| A．show | B．attract | C．present | D．perform |
---All the building materials have been washed away.
---So I have heard. But there was no sign ______ a heavy rain was on the way last night.
| A．when | B．If | C．which | D．that |
The sale usually takes place outside the house, with the audience ______ on benches, chairs or boxes.
| A．having seated | B．seated | C．seating | D．having been seated |
In the UK, what impressed exchange students most was the Student Activity, they could get lots of information outside.
| A．where | B．that | C．which | D．when |
Nobody could have guessed, in those days, the place in history that Martin Luther King, Jr ____.
| A．was having | B．was to have | C．had had | D．Had |