--Hurry up! The bus is coming.
--Wait a minute. Don’t cross the street       the traffic lights are green.

Hurry up!The play        for ten minutes.

A.has begun     B.began      C.has been on         D.has been

―Hurry up. The bus is coming,

―Wait a moment. Don’t cross the street        the traffic lights are green.

A．after             B．until              C．while             D．since

—Hurry up! The bus is coming.

    —Wait a minute. Don’t cross the street _______ the traffic lights are green.

   A. until       B. after              C. while             D. since