The scientist _____ Canada and he will give us a talk when he _____ back.
| A．has gone to/comes | B．has been to/will come |
| C．has gone to/will come | D．has been to/comes |
相关知识点
推荐试卷
The scientist _____ Canada and he will give us a talk when he _____ back.
| A．has gone to/comes | B．has been to/will come |
| C．has gone to/will come | D．has been to/comes |
试题篮
()
粤公网安备 44130202000953号
