Question

You shouldn’t have the machines ______ all the while. You ought to have them ______ now and the..

You shouldn’t have the machines ______ all the while. You ought to have them ______ now and then. A．run; repair B．running; repairing C．run; repaired D．running; repaired

Answer 1

D

考查非谓语动词。句意：你不应该让机器一直运转。你应该不时地把他们修理一下。结合语境可前正在进行的动作伴随性动作，下文描述的是被动动作，故选D。