Women __________ drink more than two cups of coffee a day have a greater chance of having heart disease than those __________ don’t.
The true value of life is not in ________, but ________.
I have almost forgotten ________.
Do you have any idea ________
Last Sunday he made a promise ________ he was free he would take me to Qingdao.
Last Sunday he promised ________ today, but he hasn't appeared yet.