The stones are so heavy. How _____ they _____ to the top of the building without modern machines?
#44483
A
do; lift
B
did; lift
C
were; lifted
D
were; lift
推荐题目
The dictionary shouldn’t     from the library.
#44556
A
take away
B
taken away
C
are taken away
D
be taken away
Many trees and flowers ________ in our city every year.
#44991
A
planted
B
are planted
C
were planted
D
plants
Many accidents ______ by careless drivers last year.
#44988
A
are caused
B
were caused
C
have caused
D
will cause