6．--- 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 teachers________on this problem.
| A．are working | B．had worked | C．worked | D．had been working |
The boy is not ________ he used to be; he looks ________.
| A．what; strong | B．what; stronger | C．that; strong | D．that; stronger |
_______ from his family for over two years, he is now eager to go back home.
| A．Having been separated | B．Being separated |
| C．Separating | D．Having separated |
When speaking in public, __________.
A. speech should be understood
B. B. speech should be easy to understand
C. one should make himself understood
D. one should make listeners understand
He insisted on staying _________ back home.
| A．rather than going | B．rather than go |
| C．than going | D．rather than to go |
The population of the country is 3 million, _____ Kooris.
| A．1 % of which were made up of | B．1 % of it were Kooris |
| C．and 1 % of which were made up of | D．1 % of them were |