The teacher is writing ____ a piece of chalk on the blackboard while the students are writing ____ink in exercise books.
________ your composition carefully, some spelling mistakes can be avoided.
She is in a poor ___________ of health, which worries her mother much.
-I really appreciate ____________ to holiday with you on this nice island. —It's my pleasure.
We trust you; only you can _______ him to give up smoking.
—Have you _______ any information ? —No, I'm going to _________ the business department.