单选题：When did British gentlemen begin to wear ties regularly?

题目内容：

When did British gentlemen begin to wear ties regularly? A．After the late 19thcentur
B．In the l630
C．in l660．
D．In the late l8th centur

参考答案：

答案解析：

Natalie prefers yellow, whereas I prefer green．

Natalie prefers yellow, whereas I prefer green．A．if B．while C．then D．SO

分类：卫生类题型：单选题

Mr．Cousins cured his own illnessA．by laughing at other B．by acting in funny show

分类：卫生类题型：单选题

The expedition reached the summit at 10：30 that morning．A．bottom of the mountain

分类：卫生类题型：单选题

分类：卫生类题型：单选题

分类：卫生类题型：单选题