问问 They stood there,unable to make a decision.

问问 They stood there,unable to make a decision. They stood there,unable to make adecision.为什么不能用not able to for a moment she just stood there,unable to believe what had difficult to make a decision make a decision do还是make a decision to do 在He stood leaning against the wall,unable to speak.中unable是a make a decision to do 还是 doing? make a decision to do sth Soon they got to the other bank.There stood a big pine tree make a decision to do,make 不是使役动词,为什么不能用make a decision do? They ( ) make a decision about the election at the meeting. there,stood,the bus,to come,waiting,for,they