Question

The classroom ________ a cheerful busy atmosphere to the visitors．

[　　]

A．presented

B．predicted

C．demonstrated

D．permitted

Answer 1

答案：A
解析：

句意：课堂给参观者呈现出了紧张活泼的气氛。present“呈现出”；predict“预测”；demonstrate“示范，演示”；permit“允许”。