Even scientists cannot completely ________for the strange behaviors of the animals before an earthquake. (原创)
. At a rough estimate(估计), Nigeria is ____ Great Britain.
. In face of _______ failure, it is the most important to keep up ________ good state of mind.
Most of the factories under___________ have been designed by Chinese engineers.
____________he came from the countryside, he became a modern architect.
They wanted the house at the foot of the mountain ______in a way to look pretty