We wonder if our teachers to our graduating party next weekend. If they , we’ll be very happy.

The system has been designed to give students quickand easy ________to the digital resources of the library.

I thinkthat this is the best mobile phone available in the world. No other one can________it.

_________ scientist Tu Youyou won the Nobel Prize for medicine (诺贝尔医学奖)_________ October 5, 2015.

________ girls are there in you rclassroom —There’re thirty-one.