The girl was often heard _______ happily in her room.
#57047
A
sings
B
sing
C
singing
D
to sing
推荐题目
Mother told me ______ in bed because it’s bad for eyes. 
#61769
A
don’t read
B
not to read
C
not read
D
to not read
His parents are going to __ a computer ___him.
#60749
A
buy, to
B
buy, for
C
buy, /
D
buying, for
She is ______Hong Kong next week.
#59236
A
leaving to
B
leaving off
C
leaving for
D
leave