Unless you work as hard as you can, you won’t ______ your classmates.
| A．fall behind | B．keep on with |
| C．keep up with | D．catch up |
相关知识点
推荐试卷
Unless you work as hard as you can, you won’t ______ your classmates.
| A．fall behind | B．keep on with |
| C．keep up with | D．catch up |
试题篮
()
粤公网安备 44130202000953号
