题目

-- hurry mum the bus is coming -- wait a minute dear you --- cross the street until the traffic li
-- hurry mum the bus is coming
-- wait a minute dear you --- cross the street until the traffic lights are green
a must
b need
c must not
d need not
说理由!

提问时间：2020-11-07

答案

正确的答案是 C.
you must not = 你不能,千万不要
you must not cross the street until the traffic lights are green
直到交通灯是绿色,你千万不要过马路