— Is this maths problem ___________? — Yes, I can work it out ___________ .
I sit in front of the classroom _______ hear the teacher clearly .
You are _______ twenty—two . You should have more test .
.He was the only person _______was invited to the party.
–Do you know________ , Mike ? --On May 12th , 2008 .
–Would you please tell me ________ next ? --Think it over . You’ll find a good way .