He was often seen _________ with charity work last year.
A．to help B．helped C．helping D．help
Please don't stand up in class until you .
A．were told to B．are told to C．were told D．are told
– Can a plane fly _______ the Atlantic Ocean?
--Yes, but it needs to go _______ the clouds for hours.
A．across, through B．through, across
C．across, across D．through, through
The man is very ill and he has _______.
A．operate on B．to be operated on C．to operate D．being operated on
They are _______ little sheep that we can’t make much money by selling _______.
A．so, it B．such, it C．so, them D．such; them
______ of the people here live on rice，and the people there live _______ on noodles
A．Mostly；most B．Most；mostly C．Mostly；mostly D．Most; most
