The gravity on Mars is only about there eighths of ___________on the Earth.
A.thatB.thoseC.oneD.ones
I want to know if he _______ tomorrow,if he _______,please call me in time.( )
will come; comes
comes; will come
comes; comes
will come;will come
﹣May I speak to your headmaster?
﹣Sorry,he isn't here.He _______ to Guiyang on business.
have gone
has gone
have been
has been
﹣Can you tell me _______ come to Tongren?
﹣By air.( )
when you
when do you
how you
how do you.
﹣Would you mind _______ the electric fan,Alice?﹣Of course not.It is so hot here.( )
turn off
turn on
turning off
turning on
﹣What's in the picture?
﹣There _______ a teacher and some students playing games on the playground.( )
is
are
has
have