She has a gift for creating an atmosphere for her students________allows them to communicate freely with each other.

I've become good friends with several of the students in my school________I met in the English speech contest last year.

She showed the visitors around the museum, the construction________had taken more than three years.

The wrong you have done to him is terrible，________， in my opinion，you should apologize to him.

QQ，________ you can chat with your friends, makes communication easy.

She showed the visitors around the museum, the construction ________had taken more than three years.(2011·江西)

Ted came for the weekend wearing only some shorts and a T?shirt，________ is a stupid thing to do in such weather.(2011·全国Ⅱ)

It is these poisonous products ________ can cause the symptoms of the flu, such as headache and aching muscles.

  The beautiful girl ________a hair dresser for a year is a manager now.

I've become good friends with several of the students in my school ________ I met in the English speech contest last year.