5. In our class, when the bell rang and the taacher closed his book, it was a or everyone to stand up.
The media can often help solve problems and draw attention ________ situations ________ help is needed.
As a child, Jack studied in a village school,________ is named after his grandfather.
In China, the number of cities is increasing______ development is recognized across the world.
In our class there are 46 students, ________ half wear glasses.
I wish to thank Professor Smith, without______ help I would never have got this far.