She is heard_______ every day in her room.
#49195
A
sings
B
sing
C
to sing
D
singing
推荐题目
I have trouble ________ the new words.
#49206
A
memorize
B
memorizing
C
to memorize
D
memorized
Would you like _____basketball with us tomorrow?
#49590
A
to play
B
to playing
C
play
D
to plays
 You are too tired, please stop _______.
#49070
A
to work
B
work
C
working
D
worked