________ he could call the police, the thieves had run away with the suitcase, leaving him shocked and helpless.
. She feeds the baby _____ milk and grass _______her cattle.
Between the two generations, it is often their different views of life and value _____ cause family conflicts.
. With their son ______ a foreign college now, the parents have some financial problems now and then.
Another primary school is reported _______ for children in Wen Chuan now.
The citizens of Beijing are proud of _______ they have done to make Beijing a beautiful city.