–Why do you know so much detail about the accident? --I ________ a walk nearby when it happened.
He wrote a lot of novels, none of ______ was published, though.
--Will you go to Tina’s birthday party? --No. ______ invited, I can’t go. I’ll be very busy then.
______I really don’t like art, I find his work impressive.
My suggestion is that he________ an operation at once.
I’m afraid Mr. Harding ______ see you now. He is very busy.