Don’t you know it’s ______ useful book for English learners?
A person who is __________ does not tell lies or cheat people.
Annie has a ___________,and she is going to see her dentist today.
---What do you know about kite surfing? ----It is _________ exciting water sport.
Everyone in our class ___________ to take part in the English Speech Contest.
My deskmate asked me ___________.