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
Here are the photos of my favourite football players       in Beijing.
#44918
A
who were taken
B
that took
C
which I was taken
D
that were taken
— John, you       go out to play until your homework       .  —OK, Mum.
#44766
A
must; finishes
B
can’t; is finished
C
can’t; has finished
D
needn’t; finishes
 The girl was often heard ______ happily in her room.
#44796
A
sing
B
to sing
C
singing
D
sings