问题
I just don’t understand ______ that leads toso many teenagers becoming addicted to playing computer games.
A:why itdoes
B:what itdoes
C:what it is
D:why it is
B:what itdoes
C:what it is
D:why it is
正确答案是：
同类题型
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The spring outing really relaxed us a lotThat is its value lies
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