It was the most boring report we had ever had. It ___ four hours.

To see a young couple loving each other is no _________, but to see an old couple loving each other is the best sight of all.

Two percent of the total poulation of China have ____ access to the Internet,____ with 45 percent in the USA and 15 percent in Japan.

 Tom was very sick with a bad cough, ______ he could neither eat nor sleep.

Personally, I think modern education is ________ sitting at a desk and looking at the blackboard.