What a shame that there are so many people there, but ______ dare stop the crime(违法、犯罪行为).
A. all B. neither C. both D. none
Smile to the world, _____ the world will smile back to you.
A. nor B. but C. or D. and
–I called you yesterday afternoon, but you were not at home.
--Sorry, I _________ some shopping with my mother then .
A. is doing B. do C. was doing D. will do
The mobile phone has influenced people’s life a lot since it _______.
A. invents B. invented
C. is invented D. was invented
. –Mary, is this ______ umbrella?
--No, it’s not mine. It is _______.
A. you; hers B. your; hers
C. yours ; her D. your; her
The tall building has ______ floors. And Tony lives on the ______ floor.
A. twelve; twelve B. twelfth; twelfth
C. twelfth; twelve D. twelve; twelfth
