He had a strange hairstyle and he instantly became the ________ of attention the moment he stepped into the classroom.
The question is ______ it is worth doing.
---Would you mind my sitting here ____ lunch? ---______.A. and have, No, not at all C. and having, No, thank you.C. to have, Never, go ahead. D. and have, Oh, it’s my pleasure.
It was rude ______ you to stare at the foreigner when he passed by just now.
—Where is Bob? I cannot find him anywhere.—He have been off long. I heard him make a call just now.
_______ is known to us all is that Madame Curie, _______ life was devoted to science, wonthe Nobel Prize twice.