Question

My grandfather keeps healthy by ______ for half an hour every morning.

A．working out

B．acting out

C．taking out

D．looking out

Answer 1

A

动词短语辨析。work out锻炼；算出；，理解；制定出；act out将…表演出来；（用行动）表示出来;take out取出；割掉；拔去；取得；擦掉；look out当心；句意：我的祖父每天早晨锻炼半小时，以保持健康。