form the moon, our earth with water .seventy percent of its surface, appears as a blue ball.
A．seen, covered B．seeing, covering
C．seen, covering D．seeing, covered
The foreign guests, by an interpreter, came out of the hall.
A．following B．to follow
C．followed D．to be followed
Einstein was usually his scientific study that he even forgot to eat.
A．very absorbing B．very absorbed in
C．so absorbed in D．such absorbed in
Tom felt that he himself , rather than the girls, for the failure of the football match.
A．were to blame B．was to blame
C．were to blamed D．was to be blamed
What he said at the meeting suggested that he with us.
A．didn't agree. B．Shouldn't agree.
C．not agree D．should agree
How about taking short break? I want to make — call.
A．the ,a B．a ,the C．the ,the D．a ,a
