The lack of eco-friendly habits among the public is thought to be a major ____ of global climate change.
The breaking of a taboo is usually upsetting or embarrassing for the person____ and the people around him or her.
Thanks to the work of UNICEF. Otherwise many children the chance of living a good life.
The manager, it clear to us that he didn’t agree with us, left the meeting room.
— Hurry up! Alice and Sueare waiting for you at the school gate. — Oh! I thought they without me.
It was silly of him to his notes during that important test, and as a result, he got punished.