— I think it’s beneficial to build a library near our dormitory building.—  　　　. It will be a great convenience.

The singer hasn’t performed in public for over 5 years. ___, she is very popular with young people. 

We were all very much attracted by the beautiful scenery ______ we set foot in the village.

Father__________goes to the gym with us although he dislikes going there.

The two international companies reached an agreement, which was based on their             talks.