The weather is fine. What about ____ outside.

___ the afternoon of March 11, a serious earthquake (地震)happened in Japan.

My father is in Beijing for a long time. I’m really looking forward ___ him．

I’m going ___ a picnic on Saturday.

The police warned us ______ possible danger.

一Are the offices in front of the dining hall?
一Yes．The dining hall is ________ the offices．

Thanks __________ the photo of your family．
A．to                  B．in                  C．for

—_____do you improve your listening?
—I improve it ______ listening to tapes.

The box is too heavy for me _________.

_________ the help of man-made satellites, we can know what the weather will be like
in the next few days.