Howmuchtimedoyouspendinfrontof　　　　screeneachdayplayingv...

问题详情：

How much time do you spend in front of　　　　screen each day playing video games, surfing　　　　Internet or watching TV?

; 不填                B.a; the                      C.a; 不填                   D.不填; the

【回答】

B

知识点：冠词

题型：选择题