Hardly_____ the helicopter______ when the waiting crowd ran towards it.
Hardly_____ the helicopter______ when the waiting crowd ran towards it.
Hardly_____ the helicopter______ when the waiting crowd ran toward it.
Hardly_____ the helicopter______ when the waiting crowd ran toward it.
The chances of seeing a helicopter in my hometown are one ______ a million.
The chances of seeing a helicopter in my hometown are one ______ a million.
The helicopter _____ a light plane and both pilots were killed.
The helicopter _____ a light plane and both pilots were killed.
The emergence of the helicopter has brought about the great advances in infantry mobility.
The emergence of the helicopter has brought about the great advances in infantry mobility.
喷气式客机 A: jet airliner B: fighter C: helicopter D: bomber
喷气式客机 A: jet airliner B: fighter C: helicopter D: bomber
Despite the terrible weather, the pilot of the helicopter managed to _______________safely on the deck of the aircraft carrier.
Despite the terrible weather, the pilot of the helicopter managed to _______________safely on the deck of the aircraft carrier.
踏板健美操基本步伐中，完成Helicopter的动作需要8拍
踏板健美操基本步伐中，完成Helicopter的动作需要8拍
A helicopter had flown overhead. 在这句话中,flown 的动词原形是______
A helicopter had flown overhead. 在这句话中,flown 的动词原形是______
It can be concluded from the three passages that both parents and teenagers take a negative attitude to helicopter parenting.
It can be concluded from the three passages that both parents and teenagers take a negative attitude to helicopter parenting.