27.It was the President himself______ opened the door.
You are really very kind. I’ll never forget the you have done to me.
A computer is so useful a machine ________ we can use everywhere.
---Spacecraft “Discovery” has failed in the course of launch. ----_______? They have been preparing for the test.
I can hardly imagine so pretty girl like you ________ boxing.
---Why did you put the wood near the fire? It’s dangerous. ---Don’t worry. Wet wood won’t _______.