问题
选择题
My grandfather is over seventy years old, he is very well because he always____.
A．drinks tea
B．sleeps late
C．plays computer games
D．takes exercises
答案
D
题目分析：句意：我的祖父七十多岁了，他很健康，因为他锻炼。A.喝茶；B.睡得很晚；C.打电脑游戏；D.锻炼，运动。由题意可知选D正确。
考点: 考查动词短语的用法。