Jack borrowed the tie ______ his father. [ ]

Mr. Wang, can I finish my homework tomorrow? –Sorry, you ________.

Teterboro is the same airport where a plane took off earlier this morning before colliding (碰撞)with a sightseeing helicopter over the Hudson River.

What _______useful book it is!—Yeah, it tells you how to play _____ guitar.

Mr Green is ___ teacher. He is ___English teacher.