The girl was often heard ______ happily in her room.
#44796
A
sing
B
to sing
C
singing
D
sings
推荐题目
— Sixteen –year-olds should ____ to drive.
#44604
A
not be allowed
B
be allowed
C
not be allowed
D
be allow
--- Where is Jim?--- He _________ to the museum. He hasn’t come back.
#44509
A
has been
B
had gone
C
has gone
D
had been
Lots of trees ________in our city over the years. It is becoming greener and greener!
#44811
A
are planting
B
have planted
C
will be planted
D
have been planted