Do you remember the day ________ we played all day along the seaside?
A．which B．that C．when D．about which
The country's railway system has launched online ticket-booking and a real-name ticket purchasing system, and _______ requires passengers to provide their ID numbers when buying tickets.
A. whichB. thatC. whatD. this
It’s time you changed your attitude _____ women now, Tom; they hold up half the sky, you know.
A. towards B. from C. with D. in
— Shall Mary come to the concert with us？
－Not_____she has finished her paper．
A.since B.once C．when D．unless
Many a student _____ that mistake before.
A．has made B．have made C．has been made D．had made
My mother is always warning me when I go out, “Don’t get off the bus ____ it is stopping.”
A. until B. before C. while D. after
