摘要：31．By the time they got to the quake-stricken area, the rescuers what difficulty they would have helping the victims out. A．sensed B．had sensed C．had been sensing D．were sensing
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By the time they got to the quake-stricken area, the rescuers___________what difficulty they would have helping the victims out.
- A.sensed
- B.had sensed
- C.had been sensing
- D.were sensing
By the time they got to the quake-stricken area, the rescuers___________what difficulty they would have helping the victims out.
A．sensed B．had sensed C．had been sensing D．were sensing
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By the time they got to the quake-stricken area, the rescuers___________what difficulty they would have helping the victims out.
| A．sensed | B．had sensed | C．had been sensing | D．were sensing |