A modern city has been set up in______ was a wasteland ten years ago.

He spoke for quite a while, but I was _____________ puzzled about what he said.

o has returned from the UK recently. He ______at Cambridge for four years, during which we ______ with each other on theInternet.

is the model plane made of 一It’s made of used wood and glass.

China is a wonderful land ______ minerals.