The students raise money for their school trip________newspapers．
A．selling
B．on selling
C．by selling
D．to sell
改为同义句
My son is too young to join the army．
My son isn’t________ ________to join the army．
You won’t feel happy at school________you get on well with your classmates．
A．though
B．when
C．unless
D．because
I’m not sure whether I can hold a party in the open air，because it________the weather．
A．stands for
B．depends on
C．lives on
D．agrees with
—Do you think________Xiao Ming can pass the high school entrance exam or not?
—Sorry，I’ve no idea．
A．that
B．which
C．when
D．whether
We don’t have enough paper________．
A．to write
B．write
C．to write on
D．writing
