-------Mary, the telephone is ringing!---------______, but I am washing my hair.
I really don't want to go; ________, the weather is so cold outside.
Everyone needs friendship. No one can sail the ocean of life singlehanded. We need help ________, and also give help to others.
________ going to a language school, Andrew also went to the library almost every day and learned about 20 Chinese characters a day.
Plans have been proposed ________ the largest dam in the world to be built along the Congo River.
The doctor advised her to eat more bean products ________ meat which might be harmful to her heart disease.