Measures had to be taken in face of the housing problem that _______ in the city.
举一反三
- 如果你当时意识到问题的严重性，并采取措施，结果就完全两样了。 A: Have you realized how serious the problem was then and taken some measures, the result is completely different. B: Have you realized how serious the problem was then and taken some measure, the result will have been completely different. C: Had you realized how serious the problem was then and taken some measures, the result would have been completely different.
- The water will be further polluted unless some measures ________. A: will be taken B: are taken C: were taken D: had been taken
- Great changes (have) (taken place) (since) I (had visited) the city.() A: have B: taken place C: since D: had visited
- If we had taken such effective measures much earlier, the river _____ so seriously now.
- They assure the crowd that the problem _________ care of very soon. A: has been taken B: will take C: had been taken D: will be taken