Is there any possible way to help them get rid of such a bad habit?
--- To tell the truth, it’s very hard. But we on this problem trying to improve the situation.
| A．worked | B．had worked | C．are working | D．had been working |
The sign reads ‘‘in case of___ fire, break theglass and push_____ red button.’’
| A．不填；a | B．不填；the | C．the; the | D．a; a |
. -----I’m thinking of the test tomorrow, I’m afraid I can’t pass this time.
-----_________! I’m sure you’ll make it.
| A．Go head | B．Good luck | C．No problem | D．Cheer up |
The Great Wall is ______ tourists attraction that millions of people pour in every year.
| A．so a well known | B．such a well known |
| C．a so well known | D．such well known a |
It ___ have been Tom that parked the car here , as he is the only one with a car.
A may B can C must D should
______ is our belief that improvements in health care will lead to a stronger ,more prosperous economy.
| A．As | B．That | C．This | D．It |