When deeply absorbed in work, ______ he often was, he would forget all about eating or sleeping.

The course that Beijing University offers normally attracts 30 foreign students per year; _______ up to half will be from America.

The Gate of Fortune, from _____ top tourists can enjoy a wonderful view, has attracted lots of visitors.

The real-name system _______ train tickets will be sold based on real names is aimed to fight ticket-scalping, which has long been a headache for Chinese travelers.

In our class there are 46 students, _____ half wear glasses.

After the flooding, people were suffering in that area, _______urgently needed clean water, medicine and shelter to survive.

Car control is a topic _________ Beijingers have argued for a long time.

There is a big garden in the neighborhood, _______ actually has become a good place for people to meet and communicate.

The reason_____ she gave for not being present was _____the heavy snow prevented her coming.

Would you be kind enough to help the boy _____ Chinese is really hard to learn?