——Mom，what did your doctor say?
—— He advised me to live _____ the air is fresher.
in where      B. in which     C. the place where    D. where

When changing lanes, a driver should use his turning signal to let other drivers know      ___.

As soon as he comes back, I’ll tell him when __________ and see him. \

As many as five courses are provided, and you are free to choose ______ suits you best.

—I don’t know how to deal with my son. He always refuses ______ advice I give him.
—He just wants to show he has grown up, maybe.

You can’t imagine ______ when I received your letter.

Although most of them have no doubt _____ he will pass the exam, I still wonder ______ he has really got everything ready.

--I could tell by the way ____ he looked at me____ he was annoyed.
--So don’t play such tricks on him any more.

He said that he was young ______ he couldn’t carry the heavy box.

We promise ________attends the party a chance to have a photo taken with the movie star.