No one knows how the huge rocks   and ___ without our modern machines eight hundred years ago.
#45042
A
are cut; moved
B
were cut; move
C
are cut; moving
D
were cut; moved
推荐题目
 Liu Xiang ___ by his coach to train regularly.
#45052
A
advised
B
advises
C
was advised
D
be advised
—Hey, Jack. Waste paper ________ here.—Sorry, I won’t do that again.    
#44557
A
cannot throw
B
cannot be thrown
C
will not throw
D
will not be thrown
I’m glad to find that many trees ________ in our city last year.
#44989
A
plant
B
planted
C
were planted
D
are planted
    These photos _______ by my sister on Mount Tai last summer.
#45007
A
take
B
took
C
are taken
D
were taken