John ran so fast ________ nobody could catch up with（赶上）him.

[　　]

Paul doesn't have to be made ________. He always works hard.

[　　]

You can see the building looks very old. It ________ for years.

[　　]

All the preparations for the work ________, and we're ready to start.

[　　]

________ the sports meeting might be put off.

[　　]

The thermostat (恒温器) ________ the fact that different metals have different coefficients (系数) of expansion.

[　　]

________, allow me to express our warm welcome to our distinguished guests.

[　　]

She ________ when she saw the pile of work.

[　　]

He was ________ known as the “Iron Man”.

[　　]

The winters are usually mild．In the mountains, ________, the winters are cold.

[　　]