| 1. | The opening of the iris is called the pupil . 虹膜的开口处叫做瞳孔。 |
| 2. | The drawer is so tight that i can't open it . 这抽屉太紧,我打不开。 |
| 3. | She tore it open and carried it to the lamp . 她拆开来拿到灯旁去看。 |
| 4. | Open the window and let in some fresh air . 打开窗户放进些新鲜空气。 |
| 5. | Her mother came out of an open door . 她妈妈从一扇开着的门里走出来。 |
| 6. | His mouth was open and his eyes bugging . 他嘴张着,眼珠都鼓了出来。 |
| 7. | Nasa officials opened a broad inquiry . 宇航局官员开始进行广泛调查。 |
| 8. | The railway was opened to traffic last year . 这条铁路是去年通车的。 |
| 9. | My little cousin, maggie, opened the door . 我的小表妹麦吉打开了门。 |
| 10. | It 's easy to open a shop but hard to keep it open . 创业容易守业难。 |