19951.He was _ enough to understand my questions from the gestures I made. (A)A. intelligentB. efficientC. proficientD. diligent2.Does it _ to let little children play with fireworks? (D)A. make clearB. make sureC. make outD. make sense3.All parts of this sewing machine are _ so that it is very simple to get replacements for them. (D)A. mechanizedB. minimizedC. modernizedD. standardized4.Have you a funny _ or unusual experience that you would like to
