Mr.Liu waiting here for about five minutes.( )
has been
has come
came
arrived
﹣Sir,would you mind speaking a little more ?
﹣Of course not.I thought you could follow me.( )
A.quicklyB.slowlyC.politely
Last week the old books to raise money for Free the Children.( )
A.soldB.are soldC.were sold
﹣﹣How is Jack in the new school?
﹣﹣He is doing very well,there is to worry about.( )
A.somethingB.anythingC.nothingD.everything
﹣3﹣D printing could be used to build a house in less than 24 hours.
﹣It amazing.It's my first time to get to know this.( )
A.soundsB.smellsC.tastes
It is necessary people to have food and water every day.( )
A.ofB.forC.with