The bus driver always says to us “Don’t get off the bus stops.”A. whenB. whileC. untilD.

问题补充：

The bus driver always says to us ,“Don’t get off the bus stops.”

A. when

B. while

C. until

D. if

答案：

A. when

B. while

(答案→)C. until

D. if

解析：考查not……until直到……才……，本句意为“直到公共汽车停稳才能下车”。