Excuse me, sir. I’m afraid you can’t smoke here. This is non-smoking area.—Oh, sorry. I ____________ the sign.

Do you know ________ word nervous There is ________ “s” and ________ “u” in it.

What the science teacher does and says ____of great importance to college students.

The managers discussed the plan __________ they would like to see __________ the next year.

He was in hospital for six months. He felt as if he was ______ from the rest of the world. [ ]