She dances better than Mary _______.

Please keep me informedthe changes of your address as soon as possible． A．of B．forC．with D．by

What should we do to reduce food waste—In a restaurant only order as________ as we need and try to eat it up.

I have advised him not to do like that, but he still insists on doing it that wayI think he has his own opinion _________.[ ]

下列各句中，没有语病的一项是 （ ）