What troubled the teacher was that no one present made an answer when asked who had broken the glasses, so he didn’t know who .
Which record of his do they say _________best in their shop?
I’ll spend half of my holiday practicing English and ________ half learning drawing.
---Shall we go there by boat for a change? ---______.
Excuse me. I _____ I was blocking your way.
_____ terrible weather we’ve been having these days!