Excuse me. Where is your teachers’ office—________, sir.—Thanks a lot.

As is _______ known, a good knowledge of basic physics helps us better understand natural phynomenons

_, I believe, and you will find the student isvery outgoing

.She seemed ________ the book before, butshe said she had never.

I need some money. What should I do—You should ________ some ________ your friends.