题文
. A new technique ____, the production as a whole increased by % percent last year.
| A．employing | B．having employed |
| C．to have been employed | D．having been employed |
相关知识点
推荐试卷
. A new technique ____, the production as a whole increased by % percent last year.
| A．employing | B．having employed |
| C．to have been employed | D．having been employed |
试题篮
()
粤公网安备 44130202000953号
