Many facts proved that long before Columbus ________ America, Chinese had visited it.
#103829
A
noticed
B
uncovered
C
discovered
D
arrived
推荐题目
After school we went to the reading-room to do some reading ,only to be told that it _______.
#99938
A
was decorated
B
had decorated
C
had been decorating
D
was being decorated
He asked where she ____, but she didn’t respond.
#103573
A
had been
B
was
C
has been
D
is
When I was in the countryside, I ____ by the riverside every day.
#101180
A
walked
B
was walking
C
walk
D
have walked