问题
选择题
Play, often seen as _______ activity for kids ,is still important in _____ development of teenagers.
A．the ; the
B．an; the
C．an ;不填
D．the；不填
答案
答案：B
考查冠词。activity是一个可数名词；development是特指年轻人的发展，是特指所以用the;句意：通常被看成是一种儿童活动的玩耍在年轻人的发展中仍然很重要。