| 1. | Our dog has had puppies twice already . 我们的狗已经生了两窝小狗了。 |
| 2. | We weren't going to make that mistake twice . 我们不能再重蹈覆辙。 |
| 3. | The shop changed hands twice within a week . 该店一周内易手两次。 |
| 4. | He gives twice that gives in a twice . 立刻施与的人等于施与两次。 |
| 5. | I said it over twice before he let me go . 我说了两遍之后,他才放我走。 |
| 6. | This room is twice the size of that one . 这间屋子有那间两个大。 |
| 7. | He swung it once and twice and again . 他又迎面劈去,一次,两次,又一次。 |
| 8. | Once or twice she looked over her shoulder at me . 有一两次她回头看看我。 |
| 9. | I 've read the book twice from cover to cover . 这本书我从头到尾看过两遍。 |
| 10. | The teacher explained twice in succession . 教师连着讲了两遍。 |