Can you hear the girls ______in the next room?
#49585
A
sang
B
tosing
C
singing
D
sing
推荐题目
Don’t forget  _____  the door when you leave.
#49354
A
to close
B
close
C
closing
D
closed
Kate __________ the hills __________ when she was young.
#49838
A
preferred to climb; rather than exercise
B
prefers climbing; to exercising
C
preferred to climb; to exercise
D
preferred climbing; to exercising