Hurricane Sandy's arrival and its effects ________ New York's offices being closed for three days.
| A．carried out | B．came up with |
| C．led to | D．caught up with |
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．which | B．that | C．what | D．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 |
Manyastudent _____thatmistakebefore.
| A．hasmade | B．havemade | C．hasbeenmade | D．hadmade |
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 |