We have been excavating layers of ash almost six metres thick, which suggests that they the fire burning all winter.
| A．should keep | B．might have kept | C．should have kept | D．might keep |
推荐试卷
We have been excavating layers of ash almost six metres thick, which suggests that they the fire burning all winter.
| A．should keep | B．might have kept | C．should have kept | D．might keep |
试题篮
()
粤公网安备 44130202000953号
