All students without exception must take the English examination.
所有学生毫无例外地都必须参加英语考试。
When I had a rest, what were you doing?
当我休息时,你在做什么?
Apparently what happened was that water collected on these tar pits, and the bigger animals like the elephants ventured out on to the apparently firm surface to drink, and were promptly bogged in the tar.