根据汉语提示完成下列句子。

①Let me_________ （给你看）my photos.    

②He is free from any thought of__________ （卖弄）．    

③The dishonest dealing__________ （被揭发了）in yesterday's papers.

④Why didn't you__________ （到场）at the meeting the other day?

⑤The guide__________ （带领我们参观）the Forbidden City.

下列哪种砖是烧结材料砖

A．煤渣砖
B．实心灰砂砖
C．碳化灰砂砖
D．耐火砖