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
If the magazine is online, paper _______  .
#44536
A
won’t need
B
doesn’t need
C
won’t be needed
D
hasn’t needed
 The girl was often heard ______ happily in her room.
#44796
A
sing
B
to sing
C
singing
D
sings