Science and technology is changing fast nowadays. I bought this MP3 player at the beginning of this year but now it's out of ________.
A．date B．order C．use D．sight
You must keep ________ in mind________you are a student and you should obey the school rules.
A．it；that B．such; as
C．something; which D．everything; because
Whenever I met her，________ was fairly often, she greeted me with a sweet smile.
A．who B．which C．when D．that
—Are you ready for Spain?
—Yes.I want the girls to experience that________ they are
young.
A．while B．until C. if D．before
—Have you ________ some new ideas?
—Yeah. I'll tell you later.
A．come about B．come into
C．come up with D．come out with
We feel________our duty to make our country a better place.
A．it B．this C．that D．one
