| A．habits | B．habit | C．a habit |
| A. earth B. taikonaut C. blind D. airport E. travel |
| A．I think so. | B．Yes, I could. |
| C．I’m afraid not. | D．I'm afraid so. |
| A．went | B．go | C．goes |
| A. earth B. astronaut C. space travel D. airport E. spaceship |
| A．did; come | B．do; come | C．are; coming |
| A．read | B．reading | C．reads |
| A．watch | B．watches | C．watched |
| A．at | B．about | C．in |
搜索
