. The reason ________ he referred to for his success is ________ he always working hard.
| A．why, that | B．why, because | C．that, that | D．that, because |
（重庆卷29. The palace caught fires three times in the last century, and little of the original buildingnow.
| A．remains | B．is remained | C．is remaining | D．has been remained |
（重庆卷24）. The book has been translated into thirty languages since it on the market in 1973.
| A．had come | B．has come | C．came | D．comes |
.（天津卷10）. Traditional folk arts of Tianjin like paper cutting _______ at the culture show of the 2010 Shanghai World Expo.
| A．are exhibiting | B．is exhibiting | C．are being exhibited | D．is being exhibited |
（天津卷4）. We _______ on this project for four hours. Let’s have a rest.
| A．are working | B．have been working | C．worked | D．had worked |
. You’ve failed to do what youto and I’m afraid the teacher will blame you.
| A．will expect | B．will be expected | C．expected | D．were expected |