All the students are talking and laughing in the classroom and it’s .A. noisyB. lonelyC. q

问题补充：

All the students are talking and laughing in the classroom and it’s .

A. noisy

B. lonely

C. quiet

D. strict

答案：

A. noisy

B. lonely

C. quiet

D. strict

解析：考查形容词的用法。根据句意，所有学生都在说笑，那教室里明显会是嘈杂的。故选A。