Do you know ____ of the earth ____covered with water?
Sure,Mom.( )
A.three quarter,isB.three quarters, are
C.three quarters, isD.three quarter, are
﹣Do you know ______?﹣Two months ago.( )
when did he take this photo
when he took this photo
where did he take this photo
where he took this photo
﹣﹣Hi,Nancy.What is your brother doing?
﹣﹣He ______ a shower.( )
is taking
was taking
took
take
The telephone ______ by Bell in 1876.( )
will be invented
is invented
was inventing
was invented
﹣﹣Tell him ______ tomorrow,please.
﹣﹣OK.( )
come
to come
comes
coming
Robots ______ more heavy work for us in the future.( )
did
will do
have done
were doing