______ rapid progress has he made that we all admire him.

 —Have you got any particular plans for the coming holiday?—Yes._______, I’m going to visit some homes for the old in the city.

The door opened and in _____.

 —Would you like to join me for a quick lunch before class?—________，but I promised Nancy to go out with her.

Beneath our feet ______ that our life depends on for food and clothing.