We have friends to help us fight against pollution, and trees are one of ________.
#37147
A
themselves
B
they
C
their
D
them
推荐题目
What colour _____________ shirts?
#53412
A
are his
B
is his
C
are hers
D
is her
_______ the boy beside the window? 
#53278
A
Whose is
B
Which is
C
Who’s
D
Where’s
Do you have ____ to say about your family?
#38881
A
else anything
B
else something
C
anything else
D
something else