As the busiest woman in the village, she made _____ her duty to look after all the other people’s affairs in that village.
There are two lakes near Joe’s hometown, the larger of is nearly ten thousand square kilometers.
Perhaps it is true that nobody in the world knows exactly how the earth _____. A. came up B. came out C. came to power D. came into being
She is very _______ about this topic, so we’d better not discuss it in front of her.
I suggested that they set off early to avoid (避开) the traffic jam, _______ no one responded.
Nowadays, use____________of certain waste materials to protect the environment.