To test eggs,_____ them in a bowl of water: if they float they’re bad, if they sink they’re good. 
#98760
A
put
B
putting
C
to put
D
to be putting
推荐题目
______ in 1885, this old car was the oldest one in the race.
#96625
A
Built
B
Being building
C
It was built
D
Having built
While watching television, ____.
#96009
A
the doorbell rang
B
we heard the doorbell ring
C
there was someone knocking at the door
D
the doorbell was ringing