.It was after careful consideration we decided to take action.
The rescue workers were working around the clock, ________ supplies to Yushu Qinghai Province after the earthquake.
After the earthquake, the first thing the local government did was to provide for the homeless families.
________ this cake, you'll need 2 eggs, 175 g sugar and 175 g flour.
Although the causes of cancer ________, we do not yet have any practical way to prevent it.
Someone who lacks staying power and perseverance is unlikely to _________ a good researcher.