Only after the second tower of the World Trade Centre did people know it was not an accident, but an attack of some kind.
| A．had hit |
| B．did fall |
| C．was hit |
| D．was fallen |
Talking about buying cars, I prefer a car less than 100,000 yuan to _________ over the amount.
| A．this | B．it | C．that | D．one |
Through the economic reform, the economic situation of China _________ much better than it used to be.
| A．turned into | B．turned off | C．turned in | D．turned out |
When you rewrite the paragraph, I advise you to leave outis thought unnecessary or misleading.
| A．where | B．which | C．these | D．what |
_________ much I dislike the idea of begging in the street, we should still show consideration for those who are in difficult situations.
| A．However | B．How | C．Whatever | D．No matter |
Don’t disturb me. I ______ letters all the morning and have written ten so far.
| A．write | B．was writing | C．have written | D．have been writing |