| 1. | Two copies of the same book have been bought by mistake .
书买重了。 |
| 2. | Mistakes were corrected and gaps filled .
错误改正了，缺点也弥补了。 |
| 3. | He makes mistakes , and that very often .
他犯了错误，而且是常常犯。 |
| 4. | It will prove his historic mistake .
这肯定是他的一个历史性的错误。 |
| 5. | We shouldn't be indulgent towards his mistakes .
不应该姑息他的错误。 |
| 6. | We tend to make mistakes when we do things in a hurry .
忙中不免出错。 |
| 7. | I was conscious that i had made a mistake .
我意识到自己犯了一个错误。 |
| 8. | There are so many mistakes that i cannot count them .
错误多得数不清。 |
| 9. | We weren't going to make that mistake twice .
我们不能再重蹈覆辙。 |
| 10. | He seems to have mistaken a plus for a minus .
他似乎把正号误作负号了。 |
