-- _____is that used for?---_____ the floor.
They gave us so warm a welcome that we were moved very much.It was a sight__________ we__________.
This coat will lose its color ___________ it's washed.
These students are quick at learning.We'll have them __________ with new methods.
What he lacks is more patience,___________?
I told him what I was surprised____________ his attitude towards his study.